def remove(self, key):
check_not_none(key, "<STR_LIT>")<EOL>return self._encode_invoke(transactional_map_remove_codec, key=self._to_data(key))<EOL>
Transactional implementation of :func:`Map.remove(key) <hazelcast.proxy.map.Map.remove>`

The object to be removed will be removed from only the current transaction context until the transaction is
committed.

:param key: (object), key of the mapping to be deleted.
:return: (object), the previous value associated with key, or ``None`` if there was no mapping for key.