def get_target_extraction_context(self, build_file_path: str) -> dict:
        """Return a build file parser target extraction context.

        The target extraction context is a build-file-specific mapping from
        builder-name to target extraction function,
        for every registered builder.
        """
        extraction_context = {}
        for name, builder in Plugin.builders.items():
            extraction_context[name] = extractor(name, builder,
                                                 build_file_path, self)
        return extraction_context
Return a build file parser target extraction context.

        The target extraction context is a build-file-specific mapping from
        builder-name to target extraction function,
        for every registered builder.