class_docstr: Wrapper around socket which provides `write` and `flush` methods for the
  Vt100_Output output.
code: def __init__(self, connection, encoding):
      self._encoding = encoding
      self._connection = connection
      self._buffer = []
  
imports: from __future__ import unicode_literals
  import socket
  import select
  import threading
  import os
  import fcntl
  from six import int2byte, text_type, binary_type
  from codecs import getincrementaldecoder
  from prompt_toolkit.enums import DEFAULT_BUFFER
  from prompt_toolkit.eventloop.base import EventLoop
  from prompt_toolkit.interface import CommandLineInterface, Application
  from prompt_toolkit.layout.screen import Size
  from prompt_toolkit.shortcuts import create_prompt_application
  from prompt_toolkit.terminal.vt100_input import InputStream
  from prompt_toolkit.terminal.vt100_output import Vt100_Output
  from .log import logger
  from .protocol import IAC, DO, LINEMODE, SB, MODE, SE, WILL, ECHO, NAWS, SUPPRESS_GO_AHEAD
  from .protocol import TelnetProtocolParser
  from .application import TelnetApplication
label_desc: Use image node_id 1 to create a new _ConnectionStdout object from inherited base classes: object with example: obj = _ConnectionStdout(connection, encoding)