code: def _get_registered_algo_meta(builtin_name: str) -> dict | None:
      """Get meta information of registered algorithms.
  
      Returns
      -------
          Returns meta information of speicified builtin alogorithms, for example:
          {
              'classArgsValidator': 'nni.smac_tuner.SMACClassArgsValidator',
              'className': 'nni.smac_tuner.SMACTuner',
              'builtinName': 'SMAC'
          }
      """
      algo = config_manager.get_algo_meta(builtin_name)
      if algo is None:
          return None
      return algo.dump()
  
file_path: nni/nni/tools/package_utils/tuner_factory.py
imports: from __future__ import annotations
  import importlib
  import os
  import sys
  from typing import Any
  from typing_extensions import Literal
  from .None import config_manager
label_desc: Use image node_id 2 for calling a global function with example usage: _get_registered_algo_meta(builtin_name) and returns: algo, None