class_docstr: Meta-algorithm such as pipeline and cross validator must implement this interface.
class_docstr_tok: ["Meta-algorithm","such","as","pipeline","and","cross","validator","must","implement","this","interface","."]
code: def _save_meta_algorithm(
      self, root_path: str, node_path: List[str]
  ) -> Dict[str, Any]:
      raise NotImplementedError()
  
imports: import json
  import shutil
  import os
  import tempfile
  import time
  from urllib.parse import urlparse
  from typing import Any, Dict, List
  from pyspark.ml.base import Params
  from pyspark.sql import SparkSession
  from pyspark.sql.utils import is_remote
  from pyspark import __version__
label_desc: Use image node_id 2 for calling the MetaAlgorithmReadWrite obj's underlying member method code with example usage: obj._save_meta_algorithm(root_path, node_path) without return types