def unshiftHeader(self, *args) -> "bool": return _ESL.ESLevent_unshiftHeader(self, *args)
def unshiftHeader(self, *args): return _ESL.ESLevent_unshiftHeader(self, *args)
def unshiftHeader(self, header_name, value): return _ESL.ESLevent_unshiftHeader(self, header_name, value)