from collections.abc import Callable from typing import TYPE_CHECKING if TYPE_CHECKING: from core.tools.tool_file_manager import ToolFileManager _tool_file_manager_factory: Callable[[], "ToolFileManager"] | None = None def set_tool_file_manager_factory(factory: Callable[[], "ToolFileManager"]) -> None: global _tool_file_manager_factory _tool_file_manager_factory = factory