I rewrote some comments because they didnt make sense and were misplaced

We had to switch up the deprecated test cases of parseAndKeepRawInput and replaced them with parseWithOptions. It includes the phonenumber that has to be parsed and the options such as if the raw input should be kept or what the default regioncode is.

There is a new class called PrasingOptions. With it we can replace old parsing methodes such as keepRawInput or defaultRegion.

I have added the new parsing methode ParsingOptions to the OpenSource version.

There is a new class called PrasingOptions. With it we can replace old parsing methodes such as keepRawInput or defaultRegion.

I have added the new parsing methode ParsingOptions to the OpenSource version.

* [maven-release-plugin] prepare release v8.13.50

* [maven-release-plugin] prepare for next development iteration

* Metadata updates for release 8.13.50

* Update .gitignore

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Co-authored-by: mandlil <138015259+mandlil@users.noreply.github.com>

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This reverts commit af241dd0c3.

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* Generate RegionCode constants for testing.

This generates the RegionCode class that contains string constants for testing using the build tools.

Context: b/237181793

* Fix typo

* Use plain strings for region codes not in the metadata.

* Apply code review suggestions

* Rewrite ClassWriter with Builder pattern and add javadoc support.

* Use setJavadoc instead of accumulating.

* Optimized the alphanumeric check by avoiding the use of regex

* re-format the code lines

* Update MultiFileModeFileNameProvider.java

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This reverts commit 824d776727.

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* Area code information lost for all MX numbers in v8.13.38 metadata update.

* add mexico to new variable

* C++ changes for Mexico to show area code

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