class_docstr: A wrapper class that allows for easy interaction with a Study.
code: def _make_parent_name(self):
      return "projects/{}/locations/{}".format(
          self.project_id, self.region
      )
  
imports: import datetime
  import http
  import json
  import time
  from typing import Any, Dict, List, Mapping, Optional, Text, Union
  from googleapiclient import discovery
  from googleapiclient import errors
  import tensorflow
  from tensorflow_cloud.tuner import vizier_client_interface
  from tensorflow_cloud.tuner import constants
  from tensorflow_cloud.utils import google_api_client
label_desc: Use image node_id 14 for calling the _VizierClient obj's underlying member method code with example usage: obj._make_parent_name() and returns: str