code: def __setup_tool_config(self, conf):
          
          tool_config_files = conf.get("tool_config_files", None)
          if not tool_config_files:
              # For compatibity with Galaxy, allow tool_config_file
              # option name.
              tool_config_files = conf.get("tool_config_file", None)
          toolbox = None
          if tool_config_files:
              toolbox = ToolBox(tool_config_files)
          else:
              log.info(NOT_WHITELIST_WARNING)
          self.toolbox = toolbox
          self.authorizer = get_authorizer(toolbox)
docs: Setups toolbox object and authorization mechanism based
          on supplied toolbox_path.