How to create/use plugin

I have a js code for Babel plugin which can be used as a plugin in js Babel transform, how do I use the same plugin in here?

No file, test, or entry point is identified in the issue. Start by reading the repository's existing usage documentation and plugin-related entry points, then determine whether JavaScript Babel plugins are supported through the Ruby bridge; done means documenting a verified way to create and use one, or clearly stating the limitation.

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