diff --git a/google-ads-ad_manager-v1/proto_docs/google/api/client.rb b/google-ads-ad_manager-v1/proto_docs/google/api/client.rb
index 483a6510978e..a8b1b06d1cad 100644
--- a/google-ads-ad_manager-v1/proto_docs/google/api/client.rb
+++ b/google-ads-ad_manager-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-ads-ad_manager-v1/proto_docs/google/type/date.rb b/google-ads-ad_manager-v1/proto_docs/google/type/date.rb
index 89f7990f591a..0d2805986899 100644
--- a/google-ads-ad_manager-v1/proto_docs/google/type/date.rb
+++ b/google-ads-ad_manager-v1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are {::Google::Type::TimeOfDay google.type.TimeOfDay} and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * {::Google::Type::TimeOfDay google.type.TimeOfDay}
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-ads-ad_manager-v1/proto_docs/google/type/timeofday.rb b/google-ads-ad_manager-v1/proto_docs/google/type/timeofday.rb
index 38820c1fcba2..8c976edab900 100644
--- a/google-ads-ad_manager-v1/proto_docs/google/type/timeofday.rb
+++ b/google-ads-ad_manager-v1/proto_docs/google/type/timeofday.rb
@@ -25,18 +25,22 @@ module Type
     # `google.protobuf.Timestamp`.
     # @!attribute [rw] hours
     #   @return [::Integer]
-    #     Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
-    #     to allow the value "24:00:00" for scenarios like business closing time.
+    #     Hours of a day in 24 hour format. Must be greater than or equal to 0 and
+    #     typically must be less than or equal to 23. An API may choose to allow the
+    #     value "24:00:00" for scenarios like business closing time.
     # @!attribute [rw] minutes
     #   @return [::Integer]
-    #     Minutes of hour of day. Must be from 0 to 59.
+    #     Minutes of an hour. Must be greater than or equal to 0 and less than or
+    #     equal to 59.
     # @!attribute [rw] seconds
     #   @return [::Integer]
-    #     Seconds of minutes of the time. Must normally be from 0 to 59. An API may
-    #     allow the value 60 if it allows leap-seconds.
+    #     Seconds of a minute. Must be greater than or equal to 0 and typically must
+    #     be less than or equal to 59. An API may allow the value 60 if it allows
+    #     leap-seconds.
     # @!attribute [rw] nanos
     #   @return [::Integer]
-    #     Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+    #     Fractions of seconds, in nanoseconds. Must be greater than or equal to 0
+    #     and less than or equal to 999,999,999.
     class TimeOfDay
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
diff --git a/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/api/client.rb b/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/api/client.rb
index c6b6b60729c9..25b227e61cdc 100644
--- a/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/api/client.rb
+++ b/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/type/date.rb b/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/type/date.rb
index 48f5db726fe4..12727971c32d 100644
--- a/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/type/date.rb
+++ b/google-ads-marketing_platform-admin-v1alpha/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * [google.protobuf.Timestamp][google.protobuf.Timestamp]
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-analytics-admin-v1alpha/proto_docs/google/api/client.rb b/google-analytics-admin-v1alpha/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-analytics-admin-v1alpha/proto_docs/google/api/client.rb
+++ b/google-analytics-admin-v1alpha/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-analytics-admin-v1alpha/proto_docs/google/type/date.rb b/google-analytics-admin-v1alpha/proto_docs/google/type/date.rb
index 48f5db726fe4..3c5295270b8b 100644
--- a/google-analytics-admin-v1alpha/proto_docs/google/type/date.rb
+++ b/google-analytics-admin-v1alpha/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-apps-chat-v1/proto_docs/google/api/client.rb b/google-apps-chat-v1/proto_docs/google/api/client.rb
index 483a6510978e..a8b1b06d1cad 100644
--- a/google-apps-chat-v1/proto_docs/google/api/client.rb
+++ b/google-apps-chat-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-apps-chat-v1/proto_docs/google/type/color.rb b/google-apps-chat-v1/proto_docs/google/type/color.rb
index 0cb4ccd2d45d..d85ce1b7fac0 100644
--- a/google-apps-chat-v1/proto_docs/google/type/color.rb
+++ b/google-apps-chat-v1/proto_docs/google/type/color.rb
@@ -20,22 +20,22 @@
 module Google
   module Type
     # Represents a color in the RGBA color space. This representation is designed
-    # for simplicity of conversion to/from color representations in various
+    # for simplicity of conversion to and from color representations in various
     # languages over compactness. For example, the fields of this representation
     # can be trivially provided to the constructor of `java.awt.Color` in Java; it
     # can also be trivially provided to UIColor's `+colorWithRed:green:blue:alpha`
     # method in iOS; and, with just a little work, it can be easily formatted into
     # a CSS `rgba()` string in JavaScript.
     #
-    # This reference page doesn't carry information about the absolute color
-    # space
-    # that should be used to interpret the RGB value (e.g. sRGB, Adobe RGB,
-    # DCI-P3, BT.2020, etc.). By default, applications should assume the sRGB color
+    # This reference page doesn't have information about the absolute color
+    # space that should be used to interpret the RGB value—for example, sRGB,
+    # Adobe RGB,
+    # DCI-P3, and BT.2020. By default, applications should assume the sRGB color
     # space.
     #
-    # When color equality needs to be decided, implementations, unless
-    # documented otherwise, treat two colors as equal if all their red,
-    # green, blue, and alpha values each differ by at most 1e-5.
+    # When color equality needs to be decided, implementations, unless documented
+    # otherwise, treat two colors as equal if all their red, green, blue, and alpha
+    # values each differ by at most `1e-5`.
     #
     # Example (Java):
     #
diff --git a/google-cloud-ai_platform-v1/proto_docs/google/api/client.rb b/google-cloud-ai_platform-v1/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-ai_platform-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-ai_platform-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-ai_platform-v1/proto_docs/google/type/date.rb b/google-cloud-ai_platform-v1/proto_docs/google/type/date.rb
index 086a71b4869a..9478ba127d58 100644
--- a/google-cloud-ai_platform-v1/proto_docs/google/type/date.rb
+++ b/google-cloud-ai_platform-v1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-ai_platform-v1/proto_docs/google/type/latlng.rb b/google-cloud-ai_platform-v1/proto_docs/google/type/latlng.rb
index 6a65558604f7..5fc334428d55 100644
--- a/google-cloud-ai_platform-v1/proto_docs/google/type/latlng.rb
+++ b/google-cloud-ai_platform-v1/proto_docs/google/type/latlng.rb
@@ -21,9 +21,9 @@ module Google
   module Type
     # An object that represents a latitude/longitude pair. This is expressed as a
     # pair of doubles to represent degrees latitude and degrees longitude. Unless
-    # specified otherwise, this must conform to the
-    # <a href="http://www.unoosa.org/pdf/icg/2012/template/WGS_84.pdf">WGS84
-    # standard</a>. Values must be within normalized ranges.
+    # specified otherwise, this object must conform to the
+    # <a href="https://en.wikipedia.org/wiki/World_Geodetic_System#1984_version">
+    # WGS84 standard</a>. Values must be within normalized ranges.
     # @!attribute [rw] latitude
     #   @return [::Float]
     #     The latitude in degrees. It must be in the range [-90.0, +90.0].
diff --git a/google-cloud-alloy_db-v1/proto_docs/google/api/client.rb b/google-cloud-alloy_db-v1/proto_docs/google/api/client.rb
index 44c6bee7f2e5..97193034f37c 100644
--- a/google-cloud-alloy_db-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-alloy_db-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-alloy_db-v1/proto_docs/google/type/date.rb b/google-cloud-alloy_db-v1/proto_docs/google/type/date.rb
index 2f4a77319e09..dd5bc3c9f977 100644
--- a/google-cloud-alloy_db-v1/proto_docs/google/type/date.rb
+++ b/google-cloud-alloy_db-v1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are {::Google::Type::TimeOfDay google.type.TimeOfDay} and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * {::Google::Type::TimeOfDay google.type.TimeOfDay}
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-alloy_db-v1/proto_docs/google/type/timeofday.rb b/google-cloud-alloy_db-v1/proto_docs/google/type/timeofday.rb
index b288b1b61f57..fa5ce3b6fade 100644
--- a/google-cloud-alloy_db-v1/proto_docs/google/type/timeofday.rb
+++ b/google-cloud-alloy_db-v1/proto_docs/google/type/timeofday.rb
@@ -25,18 +25,22 @@ module Type
     # `google.protobuf.Timestamp`.
     # @!attribute [rw] hours
     #   @return [::Integer]
-    #     Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
-    #     to allow the value "24:00:00" for scenarios like business closing time.
+    #     Hours of a day in 24 hour format. Must be greater than or equal to 0 and
+    #     typically must be less than or equal to 23. An API may choose to allow the
+    #     value "24:00:00" for scenarios like business closing time.
     # @!attribute [rw] minutes
     #   @return [::Integer]
-    #     Minutes of hour of day. Must be from 0 to 59.
+    #     Minutes of an hour. Must be greater than or equal to 0 and less than or
+    #     equal to 59.
     # @!attribute [rw] seconds
     #   @return [::Integer]
-    #     Seconds of minutes of the time. Must normally be from 0 to 59. An API may
-    #     allow the value 60 if it allows leap-seconds.
+    #     Seconds of a minute. Must be greater than or equal to 0 and typically must
+    #     be less than or equal to 59. An API may allow the value 60 if it allows
+    #     leap-seconds.
     # @!attribute [rw] nanos
     #   @return [::Integer]
-    #     Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+    #     Fractions of seconds, in nanoseconds. Must be greater than or equal to 0
+    #     and less than or equal to 999,999,999.
     class TimeOfDay
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
diff --git a/google-cloud-alloy_db-v1alpha/proto_docs/google/api/client.rb b/google-cloud-alloy_db-v1alpha/proto_docs/google/api/client.rb
index 44c6bee7f2e5..97193034f37c 100644
--- a/google-cloud-alloy_db-v1alpha/proto_docs/google/api/client.rb
+++ b/google-cloud-alloy_db-v1alpha/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-alloy_db-v1alpha/proto_docs/google/type/date.rb b/google-cloud-alloy_db-v1alpha/proto_docs/google/type/date.rb
index 2f4a77319e09..dd5bc3c9f977 100644
--- a/google-cloud-alloy_db-v1alpha/proto_docs/google/type/date.rb
+++ b/google-cloud-alloy_db-v1alpha/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are {::Google::Type::TimeOfDay google.type.TimeOfDay} and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * {::Google::Type::TimeOfDay google.type.TimeOfDay}
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-alloy_db-v1alpha/proto_docs/google/type/timeofday.rb b/google-cloud-alloy_db-v1alpha/proto_docs/google/type/timeofday.rb
index b288b1b61f57..fa5ce3b6fade 100644
--- a/google-cloud-alloy_db-v1alpha/proto_docs/google/type/timeofday.rb
+++ b/google-cloud-alloy_db-v1alpha/proto_docs/google/type/timeofday.rb
@@ -25,18 +25,22 @@ module Type
     # `google.protobuf.Timestamp`.
     # @!attribute [rw] hours
     #   @return [::Integer]
-    #     Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
-    #     to allow the value "24:00:00" for scenarios like business closing time.
+    #     Hours of a day in 24 hour format. Must be greater than or equal to 0 and
+    #     typically must be less than or equal to 23. An API may choose to allow the
+    #     value "24:00:00" for scenarios like business closing time.
     # @!attribute [rw] minutes
     #   @return [::Integer]
-    #     Minutes of hour of day. Must be from 0 to 59.
+    #     Minutes of an hour. Must be greater than or equal to 0 and less than or
+    #     equal to 59.
     # @!attribute [rw] seconds
     #   @return [::Integer]
-    #     Seconds of minutes of the time. Must normally be from 0 to 59. An API may
-    #     allow the value 60 if it allows leap-seconds.
+    #     Seconds of a minute. Must be greater than or equal to 0 and typically must
+    #     be less than or equal to 59. An API may allow the value 60 if it allows
+    #     leap-seconds.
     # @!attribute [rw] nanos
     #   @return [::Integer]
-    #     Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+    #     Fractions of seconds, in nanoseconds. Must be greater than or equal to 0
+    #     and less than or equal to 999,999,999.
     class TimeOfDay
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
diff --git a/google-cloud-alloy_db-v1beta/proto_docs/google/api/client.rb b/google-cloud-alloy_db-v1beta/proto_docs/google/api/client.rb
index 44c6bee7f2e5..97193034f37c 100644
--- a/google-cloud-alloy_db-v1beta/proto_docs/google/api/client.rb
+++ b/google-cloud-alloy_db-v1beta/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-alloy_db-v1beta/proto_docs/google/type/date.rb b/google-cloud-alloy_db-v1beta/proto_docs/google/type/date.rb
index 2f4a77319e09..dd5bc3c9f977 100644
--- a/google-cloud-alloy_db-v1beta/proto_docs/google/type/date.rb
+++ b/google-cloud-alloy_db-v1beta/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are {::Google::Type::TimeOfDay google.type.TimeOfDay} and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * {::Google::Type::TimeOfDay google.type.TimeOfDay}
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-alloy_db-v1beta/proto_docs/google/type/timeofday.rb b/google-cloud-alloy_db-v1beta/proto_docs/google/type/timeofday.rb
index b288b1b61f57..fa5ce3b6fade 100644
--- a/google-cloud-alloy_db-v1beta/proto_docs/google/type/timeofday.rb
+++ b/google-cloud-alloy_db-v1beta/proto_docs/google/type/timeofday.rb
@@ -25,18 +25,22 @@ module Type
     # `google.protobuf.Timestamp`.
     # @!attribute [rw] hours
     #   @return [::Integer]
-    #     Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
-    #     to allow the value "24:00:00" for scenarios like business closing time.
+    #     Hours of a day in 24 hour format. Must be greater than or equal to 0 and
+    #     typically must be less than or equal to 23. An API may choose to allow the
+    #     value "24:00:00" for scenarios like business closing time.
     # @!attribute [rw] minutes
     #   @return [::Integer]
-    #     Minutes of hour of day. Must be from 0 to 59.
+    #     Minutes of an hour. Must be greater than or equal to 0 and less than or
+    #     equal to 59.
     # @!attribute [rw] seconds
     #   @return [::Integer]
-    #     Seconds of minutes of the time. Must normally be from 0 to 59. An API may
-    #     allow the value 60 if it allows leap-seconds.
+    #     Seconds of a minute. Must be greater than or equal to 0 and typically must
+    #     be less than or equal to 59. An API may allow the value 60 if it allows
+    #     leap-seconds.
     # @!attribute [rw] nanos
     #   @return [::Integer]
-    #     Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+    #     Fractions of seconds, in nanoseconds. Must be greater than or equal to 0
+    #     and less than or equal to 999,999,999.
     class TimeOfDay
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
diff --git a/google-cloud-asset-v1/proto_docs/google/api/client.rb b/google-cloud-asset-v1/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-asset-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-asset-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-asset-v1/proto_docs/google/type/date.rb b/google-cloud-asset-v1/proto_docs/google/type/date.rb
index ad63b93044e0..a7ce5a595a1e 100644
--- a/google-cloud-asset-v1/proto_docs/google/type/date.rb
+++ b/google-cloud-asset-v1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-bigtable-v2/proto_docs/google/api/client.rb b/google-cloud-bigtable-v2/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-bigtable-v2/proto_docs/google/api/client.rb
+++ b/google-cloud-bigtable-v2/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-bigtable-v2/proto_docs/google/api/routing.rb b/google-cloud-bigtable-v2/proto_docs/google/api/routing.rb
index 3cc2ed9c4d8b..5a211ede7ee1 100644
--- a/google-cloud-bigtable-v2/proto_docs/google/api/routing.rb
+++ b/google-cloud-bigtable-v2/proto_docs/google/api/routing.rb
@@ -49,9 +49,13 @@ module Api
     #       app_profile_id: profiles/prof_qux
     #     }
     #
-    # The routing header consists of one or multiple key-value pairs. Every key
-    # and value must be percent-encoded, and joined together in the format of
-    # `key1=value1&key2=value2`.
+    # The routing header consists of one or multiple key-value pairs. The order of
+    # the key-value pairs is undefined, the order of the `routing_parameters` in
+    # the `RoutingRule` only matters for the evaluation order of the path
+    # templates when `field` is the same. See the examples below for more details.
+    #
+    # Every key and value in the routing header must be percent-encoded,
+    # and joined together in the following format: `key1=value1&key2=value2`.
     # The examples below skip the percent-encoding for readability.
     #
     # Example 1
diff --git a/google-cloud-bigtable-v2/proto_docs/google/type/date.rb b/google-cloud-bigtable-v2/proto_docs/google/type/date.rb
index a8b78b5e8ce4..c600f9067762 100644
--- a/google-cloud-bigtable-v2/proto_docs/google/type/date.rb
+++ b/google-cloud-bigtable-v2/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-billing-budgets-v1/proto_docs/google/api/client.rb b/google-cloud-billing-budgets-v1/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-billing-budgets-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-billing-budgets-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-billing-budgets-v1/proto_docs/google/type/date.rb b/google-cloud-billing-budgets-v1/proto_docs/google/type/date.rb
index ad63b93044e0..cd8a1c524fb0 100644
--- a/google-cloud-billing-budgets-v1/proto_docs/google/type/date.rb
+++ b/google-cloud-billing-budgets-v1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * [google.protobuf.Timestamp][google.protobuf.Timestamp]
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-billing-budgets-v1beta1/proto_docs/google/api/client.rb b/google-cloud-billing-budgets-v1beta1/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-billing-budgets-v1beta1/proto_docs/google/api/client.rb
+++ b/google-cloud-billing-budgets-v1beta1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-billing-budgets-v1beta1/proto_docs/google/type/date.rb b/google-cloud-billing-budgets-v1beta1/proto_docs/google/type/date.rb
index ad63b93044e0..cd8a1c524fb0 100644
--- a/google-cloud-billing-budgets-v1beta1/proto_docs/google/type/date.rb
+++ b/google-cloud-billing-budgets-v1beta1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * [google.protobuf.Timestamp][google.protobuf.Timestamp]
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-capacity_planner-v1beta/proto_docs/google/api/client.rb b/google-cloud-capacity_planner-v1beta/proto_docs/google/api/client.rb
index c6b6b60729c9..25b227e61cdc 100644
--- a/google-cloud-capacity_planner-v1beta/proto_docs/google/api/client.rb
+++ b/google-cloud-capacity_planner-v1beta/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-capacity_planner-v1beta/proto_docs/google/type/date.rb b/google-cloud-capacity_planner-v1beta/proto_docs/google/type/date.rb
index 48f5db726fe4..3c5295270b8b 100644
--- a/google-cloud-capacity_planner-v1beta/proto_docs/google/type/date.rb
+++ b/google-cloud-capacity_planner-v1beta/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-container-v1beta1/proto_docs/google/api/client.rb b/google-cloud-container-v1beta1/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-container-v1beta1/proto_docs/google/api/client.rb
+++ b/google-cloud-container-v1beta1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-container-v1beta1/proto_docs/google/type/date.rb b/google-cloud-container-v1beta1/proto_docs/google/type/date.rb
index ad63b93044e0..a7ce5a595a1e 100644
--- a/google-cloud-container-v1beta1/proto_docs/google/type/date.rb
+++ b/google-cloud-container-v1beta1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-database_center-v1beta/proto_docs/google/api/client.rb b/google-cloud-database_center-v1beta/proto_docs/google/api/client.rb
index d59ba51a5612..5089551e9ea4 100644
--- a/google-cloud-database_center-v1beta/proto_docs/google/api/client.rb
+++ b/google-cloud-database_center-v1beta/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-database_center-v1beta/proto_docs/google/type/date.rb b/google-cloud-database_center-v1beta/proto_docs/google/type/date.rb
index 14ec426522d9..7de2b93f3556 100644
--- a/google-cloud-database_center-v1beta/proto_docs/google/type/date.rb
+++ b/google-cloud-database_center-v1beta/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are {::Google::Type::TimeOfDay google.type.TimeOfDay} and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * {::Google::Type::TimeOfDay google.type.TimeOfDay}
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-database_center-v1beta/proto_docs/google/type/timeofday.rb b/google-cloud-database_center-v1beta/proto_docs/google/type/timeofday.rb
index b0c888c8c14a..e59ba755b43a 100644
--- a/google-cloud-database_center-v1beta/proto_docs/google/type/timeofday.rb
+++ b/google-cloud-database_center-v1beta/proto_docs/google/type/timeofday.rb
@@ -25,18 +25,22 @@ module Type
     # `google.protobuf.Timestamp`.
     # @!attribute [rw] hours
     #   @return [::Integer]
-    #     Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
-    #     to allow the value "24:00:00" for scenarios like business closing time.
+    #     Hours of a day in 24 hour format. Must be greater than or equal to 0 and
+    #     typically must be less than or equal to 23. An API may choose to allow the
+    #     value "24:00:00" for scenarios like business closing time.
     # @!attribute [rw] minutes
     #   @return [::Integer]
-    #     Minutes of hour of day. Must be from 0 to 59.
+    #     Minutes of an hour. Must be greater than or equal to 0 and less than or
+    #     equal to 59.
     # @!attribute [rw] seconds
     #   @return [::Integer]
-    #     Seconds of minutes of the time. Must normally be from 0 to 59. An API may
-    #     allow the value 60 if it allows leap-seconds.
+    #     Seconds of a minute. Must be greater than or equal to 0 and typically must
+    #     be less than or equal to 59. An API may allow the value 60 if it allows
+    #     leap-seconds.
     # @!attribute [rw] nanos
     #   @return [::Integer]
-    #     Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+    #     Fractions of seconds, in nanoseconds. Must be greater than or equal to 0
+    #     and less than or equal to 999,999,999.
     class TimeOfDay
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
diff --git a/google-cloud-datastore-v1/proto_docs/google/api/client.rb b/google-cloud-datastore-v1/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-datastore-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-datastore-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-datastore-v1/proto_docs/google/api/routing.rb b/google-cloud-datastore-v1/proto_docs/google/api/routing.rb
index b70c2c09ad7a..30fb5caa2453 100644
--- a/google-cloud-datastore-v1/proto_docs/google/api/routing.rb
+++ b/google-cloud-datastore-v1/proto_docs/google/api/routing.rb
@@ -49,9 +49,13 @@ module Api
     #       app_profile_id: profiles/prof_qux
     #     }
     #
-    # The routing header consists of one or multiple key-value pairs. Every key
-    # and value must be percent-encoded, and joined together in the format of
-    # `key1=value1&key2=value2`.
+    # The routing header consists of one or multiple key-value pairs. The order of
+    # the key-value pairs is undefined, the order of the `routing_parameters` in
+    # the `RoutingRule` only matters for the evaluation order of the path
+    # templates when `field` is the same. See the examples below for more details.
+    #
+    # Every key and value in the routing header must be percent-encoded,
+    # and joined together in the following format: `key1=value1&key2=value2`.
     # The examples below skip the percent-encoding for readability.
     #
     # Example 1
diff --git a/google-cloud-datastore-v1/proto_docs/google/type/latlng.rb b/google-cloud-datastore-v1/proto_docs/google/type/latlng.rb
index ddd705dc8844..e82e33de36f5 100644
--- a/google-cloud-datastore-v1/proto_docs/google/type/latlng.rb
+++ b/google-cloud-datastore-v1/proto_docs/google/type/latlng.rb
@@ -21,9 +21,9 @@ module Google
   module Type
     # An object that represents a latitude/longitude pair. This is expressed as a
     # pair of doubles to represent degrees latitude and degrees longitude. Unless
-    # specified otherwise, this must conform to the
-    # <a href="http://www.unoosa.org/pdf/icg/2012/template/WGS_84.pdf">WGS84
-    # standard</a>. Values must be within normalized ranges.
+    # specified otherwise, this object must conform to the
+    # <a href="https://en.wikipedia.org/wiki/World_Geodetic_System#1984_version">
+    # WGS84 standard</a>. Values must be within normalized ranges.
     # @!attribute [rw] latitude
     #   @return [::Float]
     #     The latitude in degrees. It must be in the range [-90.0, +90.0].
diff --git a/google-cloud-deploy-v1/proto_docs/google/api/client.rb b/google-cloud-deploy-v1/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-deploy-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-deploy-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-deploy-v1/proto_docs/google/type/date.rb b/google-cloud-deploy-v1/proto_docs/google/type/date.rb
index d340bf377a8d..25cd60c5322a 100644
--- a/google-cloud-deploy-v1/proto_docs/google/type/date.rb
+++ b/google-cloud-deploy-v1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are {::Google::Type::TimeOfDay google.type.TimeOfDay} and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * {::Google::Type::TimeOfDay google.type.TimeOfDay}
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-deploy-v1/proto_docs/google/type/timeofday.rb b/google-cloud-deploy-v1/proto_docs/google/type/timeofday.rb
index 38820c1fcba2..8c976edab900 100644
--- a/google-cloud-deploy-v1/proto_docs/google/type/timeofday.rb
+++ b/google-cloud-deploy-v1/proto_docs/google/type/timeofday.rb
@@ -25,18 +25,22 @@ module Type
     # `google.protobuf.Timestamp`.
     # @!attribute [rw] hours
     #   @return [::Integer]
-    #     Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
-    #     to allow the value "24:00:00" for scenarios like business closing time.
+    #     Hours of a day in 24 hour format. Must be greater than or equal to 0 and
+    #     typically must be less than or equal to 23. An API may choose to allow the
+    #     value "24:00:00" for scenarios like business closing time.
     # @!attribute [rw] minutes
     #   @return [::Integer]
-    #     Minutes of hour of day. Must be from 0 to 59.
+    #     Minutes of an hour. Must be greater than or equal to 0 and less than or
+    #     equal to 59.
     # @!attribute [rw] seconds
     #   @return [::Integer]
-    #     Seconds of minutes of the time. Must normally be from 0 to 59. An API may
-    #     allow the value 60 if it allows leap-seconds.
+    #     Seconds of a minute. Must be greater than or equal to 0 and typically must
+    #     be less than or equal to 59. An API may allow the value 60 if it allows
+    #     leap-seconds.
     # @!attribute [rw] nanos
     #   @return [::Integer]
-    #     Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+    #     Fractions of seconds, in nanoseconds. Must be greater than or equal to 0
+    #     and less than or equal to 999,999,999.
     class TimeOfDay
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
diff --git a/google-cloud-dialogflow-v2/proto_docs/google/api/client.rb b/google-cloud-dialogflow-v2/proto_docs/google/api/client.rb
index 8f4ca4b4d6e5..7796382e3a21 100644
--- a/google-cloud-dialogflow-v2/proto_docs/google/api/client.rb
+++ b/google-cloud-dialogflow-v2/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-dialogflow-v2/proto_docs/google/type/latlng.rb b/google-cloud-dialogflow-v2/proto_docs/google/type/latlng.rb
index ddd705dc8844..e82e33de36f5 100644
--- a/google-cloud-dialogflow-v2/proto_docs/google/type/latlng.rb
+++ b/google-cloud-dialogflow-v2/proto_docs/google/type/latlng.rb
@@ -21,9 +21,9 @@ module Google
   module Type
     # An object that represents a latitude/longitude pair. This is expressed as a
     # pair of doubles to represent degrees latitude and degrees longitude. Unless
-    # specified otherwise, this must conform to the
-    # <a href="http://www.unoosa.org/pdf/icg/2012/template/WGS_84.pdf">WGS84
-    # standard</a>. Values must be within normalized ranges.
+    # specified otherwise, this object must conform to the
+    # <a href="https://en.wikipedia.org/wiki/World_Geodetic_System#1984_version">
+    # WGS84 standard</a>. Values must be within normalized ranges.
     # @!attribute [rw] latitude
     #   @return [::Float]
     #     The latitude in degrees. It must be in the range [-90.0, +90.0].
diff --git a/google-cloud-discovery_engine-v1/proto_docs/google/api/client.rb b/google-cloud-discovery_engine-v1/proto_docs/google/api/client.rb
index 44c6bee7f2e5..97193034f37c 100644
--- a/google-cloud-discovery_engine-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-discovery_engine-v1/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-discovery_engine-v1/proto_docs/google/type/date.rb b/google-cloud-discovery_engine-v1/proto_docs/google/type/date.rb
index 086a71b4869a..9478ba127d58 100644
--- a/google-cloud-discovery_engine-v1/proto_docs/google/type/date.rb
+++ b/google-cloud-discovery_engine-v1/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without
diff --git a/google-cloud-discovery_engine-v1beta/proto_docs/google/api/client.rb b/google-cloud-discovery_engine-v1beta/proto_docs/google/api/client.rb
index 44c6bee7f2e5..97193034f37c 100644
--- a/google-cloud-discovery_engine-v1beta/proto_docs/google/api/client.rb
+++ b/google-cloud-discovery_engine-v1beta/proto_docs/google/api/client.rb
@@ -141,9 +141,10 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          library_package: com.google.cloud.pubsub.v1
+    #         publishing:
+    #           library_settings:
+    #             java_settings:
+    #               library_package: com.google.cloud.pubsub.v1
     # @!attribute [rw] service_class_names
     #   @return [::Google::Protobuf::Map{::String => ::String}]
     #     Configure the Java class name to use instead of the service's for its
@@ -155,11 +156,11 @@ class Publishing
     #
     #     Example of a YAML configuration::
     #
-    #      publishing:
-    #        java_settings:
-    #          service_class_names:
-    #            - google.pubsub.v1.Publisher: TopicAdmin
-    #            - google.pubsub.v1.Subscriber: SubscriptionAdmin
+    #         publishing:
+    #           java_settings:
+    #             service_class_names:
+    #               - google.pubsub.v1.Publisher: TopicAdmin
+    #               - google.pubsub.v1.Subscriber: SubscriptionAdmin
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
@@ -190,6 +191,20 @@ class CppSettings
     # @!attribute [rw] common
     #   @return [::Google::Api::CommonLanguageSettings]
     #     Some settings.
+    # @!attribute [rw] library_package
+    #   @return [::String]
+    #     The package name to use in Php. Clobbers the php_namespace option
+    #     set in the protobuf. This should be used **only** by APIs
+    #     who have already set the language_settings.php.package_name" field
+    #     in gapic.yaml. API teams should use the protobuf php_namespace option
+    #     where possible.
+    #
+    #     Example of a YAML configuration::
+    #
+    #         publishing:
+    #           library_settings:
+    #             php_settings:
+    #               library_package: Google\Cloud\PubSub\V1
     class PhpSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -318,10 +333,12 @@ class RubySettings
     #     service names and values are the name to be used for the service client
     #     and call options.
     #
-    #     publishing:
-    #       go_settings:
-    #         renamed_services:
-    #           Publisher: TopicAdmin
+    #     Example:
+    #
+    #         publishing:
+    #           go_settings:
+    #             renamed_services:
+    #               Publisher: TopicAdmin
     class GoSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -344,10 +361,10 @@ class RenamedServicesEntry
     #
     #     Example:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.storage.control.v2.StorageControl.CreateFolder
-    #            # method settings for CreateFolder...
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.storage.control.v2.StorageControl.CreateFolder
+    #             # method settings for CreateFolder...
     # @!attribute [rw] long_running
     #   @return [::Google::Api::MethodSettings::LongRunning]
     #     Describes settings to use for long-running operations when generating
@@ -356,14 +373,14 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration::
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.cloud.speech.v2.Speech.BatchRecognize
-    #            long_running:
-    #              initial_poll_delay: 60s # 1 minute
-    #              poll_delay_multiplier: 1.5
-    #              max_poll_delay: 360s # 6 minutes
-    #              total_poll_timeout: 54000s # 90 minutes
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.cloud.speech.v2.Speech.BatchRecognize
+    #             long_running:
+    #               initial_poll_delay: 60s # 1 minute
+    #               poll_delay_multiplier: 1.5
+    #               max_poll_delay: 360s # 6 minutes
+    #               total_poll_timeout: 54000s # 90 minutes
     # @!attribute [rw] auto_populated_fields
     #   @return [::Array<::String>]
     #     List of top-level fields of the request message, that should be
@@ -372,11 +389,24 @@ class RenamedServicesEntry
     #
     #     Example of a YAML configuration:
     #
-    #        publishing:
-    #          method_settings:
-    #          - selector: google.example.v1.ExampleService.CreateExample
-    #            auto_populated_fields:
-    #            - request_id
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.CreateExample
+    #             auto_populated_fields:
+    #             - request_id
+    # @!attribute [rw] batching
+    #   @return [::Google::Api::BatchingConfigProto]
+    #     Batching configuration for an API method in client libraries.
+    #
+    #     Example of a YAML configuration:
+    #
+    #         publishing:
+    #           method_settings:
+    #           - selector: google.example.v1.ExampleService.BatchCreateExample
+    #             batching:
+    #               element_count_threshold: 1000
+    #               request_byte_threshold: 100000000
+    #               delay_threshold_millis: 10
     class MethodSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -428,6 +458,77 @@ class SelectiveGapicGeneration
       extend ::Google::Protobuf::MessageExts::ClassMethods
     end
 
+    # `BatchingConfigProto` defines the batching configuration for an API method.
+    # @!attribute [rw] thresholds
+    #   @return [::Google::Api::BatchingSettingsProto]
+    #     The thresholds which trigger a batched request to be sent.
+    # @!attribute [rw] batch_descriptor
+    #   @return [::Google::Api::BatchingDescriptorProto]
+    #     The request and response fields used in batching.
+    class BatchingConfigProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingSettingsProto` specifies a set of batching thresholds, each of
+    # which acts as a trigger to send a batch of messages as a request. At least
+    # one threshold must be positive nonzero.
+    # @!attribute [rw] element_count_threshold
+    #   @return [::Integer]
+    #     The number of elements of a field collected into a batch which, if
+    #     exceeded, causes the batch to be sent.
+    # @!attribute [rw] request_byte_threshold
+    #   @return [::Integer]
+    #     The aggregated size of the batched field which, if exceeded, causes the
+    #     batch to be sent. This size is computed by aggregating the sizes of the
+    #     request field to be batched, not of the entire request message.
+    # @!attribute [rw] delay_threshold
+    #   @return [::Google::Protobuf::Duration]
+    #     The duration after which a batch should be sent, starting from the addition
+    #     of the first message to that batch.
+    # @!attribute [rw] element_count_limit
+    #   @return [::Integer]
+    #     The maximum number of elements collected in a batch that could be accepted
+    #     by server.
+    # @!attribute [rw] request_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of the request that could be accepted by server.
+    # @!attribute [rw] flow_control_element_limit
+    #   @return [::Integer]
+    #     The maximum number of elements allowed by flow control.
+    # @!attribute [rw] flow_control_byte_limit
+    #   @return [::Integer]
+    #     The maximum size of data allowed by flow control.
+    # @!attribute [rw] flow_control_limit_exceeded_behavior
+    #   @return [::Google::Api::FlowControlLimitExceededBehaviorProto]
+    #     The behavior to take when the flow control limit is exceeded.
+    class BatchingSettingsProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
+    # `BatchingDescriptorProto` specifies the fields of the request message to be
+    # used for batching, and, optionally, the fields of the response message to be
+    # used for demultiplexing.
+    # @!attribute [rw] batched_field
+    #   @return [::String]
+    #     The repeated field in the request message to be aggregated by batching.
+    # @!attribute [rw] discriminator_fields
+    #   @return [::Array<::String>]
+    #     A list of the fields in the request message. Two requests will be batched
+    #     together only if the values of every field specified in
+    #     `request_discriminator_fields` is equal between the two requests.
+    # @!attribute [rw] subresponse_field
+    #   @return [::String]
+    #     Optional. When present, indicates the field in the response message to be
+    #     used to demultiplex the response into multiple response messages, in
+    #     correspondence with the multiple request messages originally batched
+    #     together.
+    class BatchingDescriptorProto
+      include ::Google::Protobuf::MessageExts
+      extend ::Google::Protobuf::MessageExts::ClassMethods
+    end
+
     # The organization for which the client libraries are being published.
     # Affects the url where generated docs are published, etc.
     module ClientLibraryOrganization
@@ -469,5 +570,20 @@ module ClientLibraryDestination
       # Publish the library to package managers like nuget.org and npmjs.com.
       PACKAGE_MANAGER = 20
     end
+
+    # The behavior to take when the flow control limit is exceeded.
+    module FlowControlLimitExceededBehaviorProto
+      # Default behavior, system-defined.
+      UNSET_BEHAVIOR = 0
+
+      # Stop operation, raise error.
+      THROW_EXCEPTION = 1
+
+      # Pause operation until limit clears.
+      BLOCK = 2
+
+      # Continue operation, disregard limit.
+      IGNORE = 3
+    end
   end
 end
diff --git a/google-cloud-discovery_engine-v1beta/proto_docs/google/type/date.rb b/google-cloud-discovery_engine-v1beta/proto_docs/google/type/date.rb
index 086a71b4869a..9478ba127d58 100644
--- a/google-cloud-discovery_engine-v1beta/proto_docs/google/type/date.rb
+++ b/google-cloud-discovery_engine-v1beta/proto_docs/google/type/date.rb
@@ -24,14 +24,17 @@ module Type
     # date is relative to the Gregorian Calendar. This can represent one of the
     # following:
     #
-    # * A full date, with non-zero year, month, and day values
-    # * A month and day value, with a zero year, such as an anniversary
-    # * A year on its own, with zero month and day values
-    # * A year and month value, with a zero day, such as a credit card expiration
-    # date
+    # * A full date, with non-zero year, month, and day values.
+    # * A month and day, with a zero year (for example, an anniversary).
+    # * A year on its own, with a zero month and a zero day.
+    # * A year and month, with a zero day (for example, a credit card expiration
+    #   date).
     #
-    # Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and
-    # `google.protobuf.Timestamp`.
+    # Related types:
+    #
+    # * [google.type.TimeOfDay][google.type.TimeOfDay]
+    # * [google.type.DateTime][google.type.DateTime]
+    # * {::Google::Protobuf::Timestamp google.protobuf.Timestamp}
     # @!attribute [rw] year
     #   @return [::Integer]
     #     Year of the date. Must be from 1 to 9999, or 0 to specify a date without