def METHOD_NAME(package_path: str) -> str:
    fed_config = _get_server_fed_config(package_path)
    snapshot_storage_root = ""
    if (
        fed_config.get("snapshot_persistor", {}).get("path")
        == "nvflare.app_common.state_persistors.storage_state_persistor.StorageStatePersistor"
    ):
        storage = fed_config["snapshot_persistor"].get("args", {}).get("storage")
        if storage["path"] == "nvflare.app_common.storages.filesystem_storage.FilesystemStorage":
            snapshot_storage_root = storage["args"]["root_dir"]
    return snapshot_storage_root