code: def readMessageBegin(self):
      return self.messageBegin
  
file_path: infinity/third_party/thrift/lib/py/src/TMultiplexedProcessor.py
imports: from thrift.Thrift import TProcessor, TMessageType
  from thrift.protocol import TProtocolDecorator, TMultiplexedProtocol
  from thrift.protocol.TProtocol import TProtocolException
label_desc: Use image node_id 2 for calling the StoredMessageProtocol obj's underlying member method code with example usage: obj.readMessageBegin() and returns: self