def on_message_received(self, msg: IncomingMessage) -> None:
"""
Is called by the environment to the side channel. Can be called
multiple times per step if multiple messages are meant for that
SideChannel.
"""
self._received_messages.append(msg.get_raw_bytes())
def on_message_received(self, msg: IncomingMessage) -> None:
"""
Is called by the environment to the side channel. Can be called
multiple times per step if multiple messages are meant for that
SideChannel.
"""
k, v = self.deserialize_int_list_prop(msg.get_raw_bytes())
self._int_list_properties[k] = v