code: def get_datastore_root_from_config(cls, echo, create_on_absent=True):
      # create_on_absent doesn't do anything.  This matches S3Storage
      return DATASTORE_SYSROOT_GS
  
imports: import json
  import os
  import shutil
  import uuid
  from concurrent.futures import as_completed
  from tempfile import mkdtemp
  from metaflow.datastore.datastore_storage import DataStoreStorage, CloseAfterUse
  from metaflow.exception import MetaflowInternalError
  from metaflow.metaflow_config import DATASTORE_SYSROOT_GS, ARTIFACT_LOCALROOT, GS_STORAGE_WORKLOAD_TYPE
  from metaflow.plugins.gcp.gs_storage_client_factory import get_gs_storage_client
  from metaflow.plugins.gcp.gs_utils import check_gs_deps, parse_gs_full_path, process_gs_exception
  from metaflow.plugins.storage_executor import StorageExecutor, handle_executor_exceptions
label_desc: Use image node_id 3 for calling the GSStorage obj's underlying member method code with example usage: obj.get_datastore_root_from_config(cls, echo, create_on_absent) and returns: DATASTORE_SYSROOT_GS