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mycl is in early development. The API may change before a stable release; it is not yet recommended for production use.
mycl

Error 12

Placeholders such as {name} are filled with specifics when this code fires.

This is a development-only check. The guard is wrapped in an inline process.env.NODE_ENV !== 'production' gate in the source, so a production bundler dead-code-eliminates it entirely. Error 12 can never be thrown or logged in a production build, and there is no coded production message for it.