class_docstr: Manage state related to controlling Bokeh output.
  
      
docstr: A structure with the default configuration for file output (READ ONLY)
  
  See :class:`~bokeh.io.state.FileConfig`.
docstr_tok: ["A","structure","with","the","default","configuration","for","file","output","(","READ","ONLY",")","See",":","class",":","`","~bokeh.io.state.FileConfig","`","."]
code: def file(self) -> FileConfig | None:
      """A structure with the default configuration for file output (READ ONLY)
  
      See :class:`~bokeh.io.state.FileConfig`.
  
      """
      return self._file
  
imports: from __future__ import annotations
  import logging
  import os
  from dataclasses import dataclass
  from typing import TYPE_CHECKING, cast
  from ..core.types import PathLike
  from ..document import Document
  from ..resources import Resources, ResourcesMode
label_desc: Use image node_id 4 for calling the State obj's underlying member method code with example usage: obj.file() and returns: self