class_docstr: Base class for transports.
class_docstr_tok: ["Base","class","for","transports","."]
docstr: Return the current protocol.
docstr_tok: ["Return","the","current","protocol","."]
code: def get_protocol(self):
      """Return the current protocol."""
      raise NotImplementedError
  
label_desc: Use image node_id 6 for calling the BaseTransport obj's underlying member method code with example usage: obj.get_protocol() without return types