class_docstr: Implementation of functionality used by Magics.
  
  This class provides the implementation for Magics, decoupled from the
  details of integrating with Colab Magics such as registration.
class_docstr_tok: ["Implementation","of","functionality","used","by","Magics",".","This","class","provides","the","implementation","for","Magics",",","decoupled","from","the","details","of","integrating","with","Colab","Magics","such","as","registration","."]
code: def parse_line(
      self,
      line: str,
      placeholders: AbstractSet[str],
  ) -> tuple[
      parsed_args_lib.ParsedArgs, parsed_args_lib.PostProcessingTokens
  ]:
      return cmd_line_parser.CmdLineParser().parse_line(
          line, placeholders
      )
  
file_path: generative-ai-python/google/generativeai/notebook/magics_engine.py
imports: from __future__ import annotations
  from typing import AbstractSet, Sequence
  from google.generativeai.notebook import argument_parser
  from google.generativeai.notebook import cmd_line_parser
  from google.generativeai.notebook import command
  from google.generativeai.notebook import compare_cmd
  from google.generativeai.notebook import compile_cmd
  from google.generativeai.notebook import eval_cmd
  from google.generativeai.notebook import ipython_env
  from google.generativeai.notebook import model_registry
  from google.generativeai.notebook import parsed_args_lib
  from google.generativeai.notebook import post_process_utils
  from google.generativeai.notebook import run_cmd
  from google.generativeai.notebook.lib import prompt_utils
label_desc: Use image node_id 2 for calling the MagicsEngine obj's underlying member method code with example usage: obj.parse_line(line, placeholders) and returns: cmd_line_parser