class_docstr: A class used for getting runtime context.
docstr: Get the runtime env string used for the current driver or worker.
  
  Returns:
      The runtime env string currently using by this worker.
docstr_tok: ["Get","the","runtime","env","string","used","for","the","current","driver","or","worker",".","Returns",":","The","runtime","env","string","currently","using","by","this","worker","."]
code: def get_runtime_env_string(self):
      """Get the runtime env string used for the current driver or worker.
  
      Returns:
          The runtime env string currently using by this worker.
      """
      return self.worker.runtime_env
  
imports: import logging
  from typing import Any, Dict, List, Optional
  import ray._private.worker
  from ray._private.client_mode_hook import client_mode_hook
  from ray._private.utils import pasre_pg_formatted_resources_to_original
  from ray._raylet import TaskID
  from ray.runtime_env import RuntimeEnv
  from ray.util.annotations import Deprecated, PublicAPI
label_desc: Use image node_id 20 for calling the RuntimeContext obj's underlying member method code with example usage: obj.get_runtime_env_string() and returns: self