def rev_regs(self) -> list:
LOGGER.debug('<STR_LIT>')<EOL>rv = [basename(f) for f in Tails.links(self._dir_tails)]<EOL>LOGGER.debug('<STR_LIT>', rv)<EOL>return rv<EOL>
Return list of revocation registry identifiers for which HolderProver has tails files.

:return: list of revocation registry identifiers for which HolderProver has tails files