code: def _run_gc(self):
      from Apache.Arrow.IntegrationTest import CDataInterface
  
      CDataInterface.RunGC()
  
imports: from contextlib import contextmanager
  import os
  from .None import cdata
  from .tester import Tester, CDataExporter, CDataImporter
  from .util import run_cmd, log
  from ..utils.source import ARROW_ROOT_DEFAULT
label_desc: Use image node_id 4 for calling the _CDataBase obj's underlying member method code with example usage: obj._run_gc() without return types