code: def check_internal_kv_gced():
      return len(kv._internal_kv_list("gcs://")) == 0
  
imports: import os
  import sys
  import tempfile
  import time
  from pathlib import Path
  from unittest import mock
  import pytest
  from pytest_lazyfixture import lazy_fixture
  import ray
  import ray.experimental.internal_kv
  from ray._private.ray_constants import RAY_RUNTIME_ENV_URI_PIN_EXPIRATION_S_ENV_VAR
  from ray._private.utils import get_directory_size_bytes
  from ray._private.test_utils import chdir, check_local_files_gced, wait_for_condition, find_free_port
label_desc: Use image node_id 4 for calling a global function with example usage: check_internal_kv_gced() and returns: unknown