fix: rename __namedParameters to meaningful parameter names

[TusharThakur04]

Summary
This PR renames default __namedParameters to meaningful param names (last word of type name)

Earlier:

deserialize(__namedParameters)

• __namedParameters {ObjectDeserializerContext}
• Returns: {void}

---

After:

deserialize(context)

• context {ObjectDeserializerContext}
• Returns: {void}

What kind of change does this PR introduce?
fix

Did you add tests for your changes?
no

Does this PR introduce a breaking change?
no

If relevant, what needs to be documented once your changes are merged or what have you already documented?

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[avivkeller]

While I appreciate the intent here, we are trying to save the bulk of this work for GSoC. We got the fundamental workings down (basic pipeline), but a lot of the work here is for GSoC, which has not begun.