class_docstr: Handle to a markdown link, for easy existence test and printing
  (external links are not tested)
code: def __repr__(self) -> str:
      return f"[{self.link}]({self.name}) in file {self.file}"
  
file_path: submitit/submitit/test_documentation.py
imports: import re
  import typing
  from pathlib import Path
  import submitit
label_desc: Use image node_id 3 for calling the MarkdownLink obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, self, str, self