class_docstr: Hosts an application "instance" (an instantiated Document) for one or more connections.
  
      
class_docstr_tok: ["Hosts","an","application","``","instance","''","(","an","instantiated","Document",")","for","one","or","more","connections","."]
code: def _handle_push(
      self, message: msg.push_doc, connection: ServerConnection
  ) -> msg.ok:
      log.debug(f"pushing doc to session {self.id!r}")
      message.push_to_document(self.document)
      return connection.ok(message)
  
imports: from __future__ import annotations
  import logging
  import inspect
  import time
  from copy import copy
  from functools import wraps
  from typing import TYPE_CHECKING, Any, Awaitable, Callable, TypeVar
  from tornado import locks
  from ..events import ConnectionLost
  from ..util.token import generate_jwt_token
  from .callbacks import DocumentCallbackGroup
label_desc: Use image node_id 25 for calling the ServerSession obj's underlying member method code with example usage: obj._handle_push(message, connection) and returns: connection