code: def provides() -> str:
      return "zsh"
  
file_path: hydra/hydra/_internal/core_plugins/zsh_completion.py
imports: import logging
  from typing import Optional
  from hydra.core.config_loader import ConfigLoader
  from hydra.plugins.completion_plugin import CompletionPlugin
label_desc: Use image node_id 4 for calling the ZshCompletion obj's underlying member method code with example usage: obj.provides() and returns: str