def __init__(self, tool_importer, user_id) -> None:
        """
        Initialize the HubOperator.

        Args:
            tool_importer: An instance of ToolImporter to manage tools and their functions.
            user_id: Identifier for the user.

        """
        self.tool_importer = tool_importer

        # Maintain tool information
        self.tool_functions = self.tool_importer.get_tool_functions()
        self.tools = self.tool_importer.get_all_tools()

        self.function_tools = {}
        for tool, functions in self.tool_functions.items():
            for function in functions:
                self.function_tools[function] = tool

        self.tool_names = self.tool_importer.get_tool_names()

        # Maintain a dictionary of Spoke and tool mapping
        self.spoke_tool = {}

        # Maintain a vanilla spoke
        self.vanilla_spoke = None

        # Maintain a spoke counter
        self.spoke_counter = 0

        # Get user_id
        self.user_id = user_id

        # Maintain a plan and a app list generated by the planner
        self.plan = {}
        self.app_list = []

        self.query = ""

        Initialize the HubOperator.

        Args:
            tool_importer: An instance of ToolImporter to manage tools and their functions.
            user_id: Identifier for the user.

        
llama-index-packs/llama-index-packs-secgpt/llama_index/packs/secgpt/hub_operator.py