class_docstr: Wrapper class for transformations to config dicts.
class_docstr_tok: ["Wrapper","class","for","transformations","to","config","dicts","."]
docstr: Returns the longest prefix, or empty string if no prefixes specified.
docstr_tok: ["Returns","the","longest","prefix",",","or","empty","string","if","no","prefixes","specified","."]
code: def longest_prefix(self):
      """Returns the longest prefix, or empty string if no prefixes specified."""
      prefixes = self.prefixes
      if not prefixes:
          return ""
      max_index = max(range(len(prefixes)), key=lambda i: prefixes[i])
      return prefixes[max_index]
  
file_path: ludwig/ludwig/utils/version_transformation.py
imports: import copy
  import logging
  from collections import defaultdict
  from functools import total_ordering
  from typing import Callable, Dict, List, Optional
  from packaging import version
label_desc: Use image node_id 5 for calling the VersionTransformation obj's underlying member method code with example usage: obj.longest_prefix() and returns: prefixes, str