Return the information exported by this distribution.
        :return: A dictionary of exports, mapping an export category to a dict
                 of :class:`ExportEntry` instances describing the individual
                 export entries, and keyed by name.

def exports(self):
        """
        Return the information exported by this distribution.
        :return: A dictionary of exports, mapping an export category to a dict
                 of :class:`ExportEntry` instances describing the individual
                 export entries, and keyed by name.
        """
        result = {}
        r = self.get_distinfo_resource(EXPORTS_FILENAME)
        if r:
            result = self.read_exports()
        return result