def validate_toolkit(self) -> "UCFunctionToolkit":
        """
        Validates the toolkit, ensuring the client is properly set and function names are processed.
        """
        self.client = validate_or_set_default_client(self.client)

        self.tools_dict = process_function_names(
            function_names=self.function_names,
            tools_dict=self.tools_dict,
            client=self.client,
            filter_accessible_functions=self.filter_accessible_functions,
            uc_function_to_tool_func=self.uc_function_to_anthropic_tool,
        )
        return self

        Validates the toolkit, ensuring the client is properly set and function names are processed.
        
ai/integrations/anthropic/src/unitycatalog/ai/anthropic/toolkit.py