class_docstr_tok: []
docstr_tok: []
code: def add_session_callbacks(
      self, callbacks: Sequence[SessionCallback]
  ) -> None:
      """ """
      for cb in callbacks:
          self.add_session_callback(cb)
  
imports: from __future__ import annotations
  import logging
  from typing import TYPE_CHECKING, Callable, Sequence
  from ..core.types import ID
  from ..util.tornado import _CallbackGroup
label_desc: Use image node_id 3 for calling the DocumentCallbackGroup obj's underlying member method code with example usage: obj.add_session_callbacks(callbacks) without return types