code: def on_before_component(callback):
      """register a function to be called before a component is created.
      The callback is called with arguments:
          - component - gradio component that is about to be created.
          - **kwargs - args to gradio.components.IOComponent.__init__ function
  
      Use elem_id/label fields of kwargs to figure out which component it is.
      This can be useful to inject your own components somewhere in the middle of vanilla UI.
      """
      add_callback(callback_map["callbacks_before_component"], callback)
  
imports: import inspect
  import os
  from collections import namedtuple
  from typing import Optional, Any
  from fastapi import FastAPI
  from gradio import Blocks
  from modules import errors, timer
label_desc: Use image node_id 38 for calling a global function with example usage: on_before_component(callback) without return types