code: def send(self, write_file: BinaryIO):
      # with open("test_write.txt", "a") as f:
      #    f.write(str(type(self)))
      return self.send_internal(write_file=write_file)
  
file_path: mindsdb/mindsdb/api/postgres/postgres_proxy/postgres_packets/postgres_message.py
imports: from typing import Union, BinaryIO
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_message_identifiers import PostgresBackendMessageIdentifier, PostgresFrontendMessageIdentifier
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_packets import PostgresPacketReader, PostgresPacketBuilder
label_desc: Use image node_id 2 for calling the PostgresMessage obj's underlying member method code with example usage: obj.send(write_file) and returns: self