class_docstr: Provide a mechanism for Bokeh applications to build up new Bokeh
  Documents.
class_docstr_tok: ["Provide","a","mechanism","for","Bokeh","applications","to","build","up","new","Bokeh","Documents","."]
docstr: Execute code when the server is first started.
  
  Subclasses may implement this method to provide for any one-time
  initialization that is necessary after the server starts, but
  before any sessions are created.
  
  Args:
      server_context (ServerContext) :
docstr_tok: ["Execute","code","when","the","server","is","first","started",".","Subclasses","may","implement","this","method","to","provide","for","any","one-time","initialization","that","is","necessary","after","the","server","starts",",","but","before","any","sessions","are","created",".","Args",":","server_context","(","ServerContext",")",":"]
code: def on_server_loaded(self, server_context: ServerContext) -> None:
      """Execute code when the server is first started.
  
      Subclasses may implement this method to provide for any one-time
      initialization that is necessary after the server starts, but
      before any sessions are created.
  
      Args:
          server_context (ServerContext) :
  
      """
      pass
  
imports: from __future__ import annotations
  import logging
  import os
  import sys
  import traceback
  from typing import TYPE_CHECKING, Any
  from ...document import Document
  from ..application import ServerContext, SessionContext
label_desc: Use image node_id 7 for calling the Handler obj's underlying member method code with example usage: obj.on_server_loaded(server_context) without return types