lib: Use type declaration on undocumented private functions

Change-Id: Ieee119e678d8993ea15a8fd9efb4a301375d0c3a

Author: umherirrender

src/Deserializers/ItemDeserializer.php

@@ -77,7 +77,7 @@ public function deserialize( $serialization ) {
 		return $this->getDeserialized( $serialization );
 	}
 
-	private function getDeserialized( array $serialization ) {
+	private function getDeserialized( array $serialization ): Item {
 		$item = new Item();
 
 		$this->setIdFromSerialization( $serialization, $item );

src/Deserializers/ReferenceDeserializer.php

@@ -37,7 +37,7 @@ public function isDeserializerFor( $serialization ) {
 		return $this->isValidSerialization( $serialization );
 	}
 
-	private function isValidSerialization( $serialization ) {
+	private function isValidSerialization( $serialization ): bool {
 		return is_array( $serialization ) && array_key_exists( 'snaks', $serialization );
 	}
 

src/Deserializers/SiteLinkDeserializer.php

@@ -53,7 +53,7 @@ private function getDeserialized( array $serialization ) {
 		);
 	}
 
-	private function getDeserializeBadges( array $serialization ) {
+	private function getDeserializeBadges( array $serialization ): array {
 		if ( !array_key_exists( 'badges', $serialization ) ) {
 			return [];
 		}
@@ -66,7 +66,7 @@ private function getDeserializeBadges( array $serialization ) {
 		return $badges;
 	}
 
-	private function deserializeItemId( $serialization ) {
+	private function deserializeItemId( $serialization ): ItemId {
 		$itemId = $this->entityIdDeserializer->deserialize( $serialization );
 
 		if ( !( $itemId instanceof ItemId ) ) {

src/Serializers/PropertySerializer.php

@@ -73,7 +73,7 @@ public function serialize( $object ) {
 		return $this->getSerialized( $object );
 	}
 
-	private function getSerialized( Property $property ) {
+	private function getSerialized( Property $property ): array {
 		$serialization = [
 			'type' => $property->getType(),
 			'datatype' => $property->getDataTypeId(),

src/Serializers/ReferenceListSerializer.php

@@ -55,7 +55,7 @@ public function serialize( $object ) {
 		return $this->getSerialized( $object );
 	}
 
-	private function getSerialized( ReferenceList $references ) {
+	private function getSerialized( ReferenceList $references ): array {
 		$serialization = [];
 
 		foreach ( $references as $reference ) {

src/Serializers/ReferenceSerializer.php

@@ -57,15 +57,15 @@ public function serialize( $object ) {
 		return $this->getSerialized( $object );
 	}
 
-	private function getSerialized( Reference $reference ) {
+	private function getSerialized( Reference $reference ): array {
 		return [
 			'hash' => $reference->getHash(),
 			'snaks' => $this->snaksSerializer->serialize( $reference->getSnaks() ),
 			'snaks-order' => $this->buildSnakListOrderList( $reference->getSnaks() ),
 		];
 	}
 
-	private function buildSnakListOrderList( SnakList $snaks ) {
+	private function buildSnakListOrderList( SnakList $snaks ): array {
 		$list = [];
 
 		/**

src/Serializers/SiteLinkSerializer.php

@@ -46,7 +46,7 @@ public function serialize( $object ) {
 		return $this->getSerialized( $object );
 	}
 
-	private function getSerialized( SiteLink $siteLink ) {
+	private function getSerialized( SiteLink $siteLink ): array {
 		return [
 			'site' => $siteLink->getSiteId(),
 			'title' => $siteLink->getPageName(),

src/Serializers/SnakSerializer.php

@@ -67,7 +67,7 @@ public function serialize( $object ) {
 		return $this->getSerialized( $object );
 	}
 
-	private function getSerialized( Snak $snak ) {
+	private function getSerialized( Snak $snak ): array {
 		$serialization = [
 			'snaktype' => $snak->getType(),
 			'property' => $snak->getPropertyId()->getSerialization(),

src/Serializers/StatementSerializer.php

@@ -80,7 +80,7 @@ public function serialize( $object ) {
 		return $this->getSerialized( $object );
 	}
 
-	private function getSerialized( Statement $statement ) {
+	private function getSerialized( Statement $statement ): array {
 		$serialization = [
 			'mainsnak' => $this->mainSnakSerializer->serialize( $statement->getMainSnak() ),
 			'type' => 'statement',
@@ -115,7 +115,7 @@ private function addReferencesToSerialization( Statement $statement, array &$ser
 		}
 	}
 
-	private function addQualifiersToSerialization( Statement $statement, &$serialization ) {
+	private function addQualifiersToSerialization( Statement $statement, array &$serialization ) {
 		$qualifiers = $statement->getQualifiers();
 
 		if ( $qualifiers->count() !== 0 ) {
@@ -124,7 +124,7 @@ private function addQualifiersToSerialization( Statement $statement, &$serializa
 		}
 	}
 
-	private function buildQualifiersOrderList( SnakList $snaks ) {
+	private function buildQualifiersOrderList( SnakList $snaks ): array {
 		$list = [];
 
 		/**

src/Serializers/TypedSnakSerializer.php

@@ -47,7 +47,7 @@ private function assertIsSerializerFor( $object ) {
 		}
 	}
 
-	private function getSerialized( TypedSnak $typedSnak ) {
+	private function getSerialized( TypedSnak $typedSnak ): array {
 		$serialization = $this->snakSerializer->serialize( $typedSnak->getSnak() );
 
 		$serialization['datatype'] = $typedSnak->getDataTypeId();