class_docstr: Frontend to `git credential`
      
class_docstr_tok: ["Frontend","to","`","git","credential","`"]
code: def _get_runner(self):
      runner = self._runner or GitWitlessRunner(
          cwd=self._repo.path if self._repo else None
      )
      self._runner = runner
      return runner
  
file_path: datalad/datalad/local/gitcredential.py
imports: from io import StringIO
  from datalad.cmd import GitWitlessRunner, StdOutErrCapture
  from logging import getLogger
label_desc: Use image node_id 2 for calling the GitCredentialInterface obj's underlying member method code with example usage: obj._get_runner() and returns: runner