code: def to_unique_identifier(cls, name: str) -> str:
      if not isinstance(name, str):
          raise TypeError
      import re
  
      return re.sub("[^A-Za-z0-9]", "", name.strip()).lower()
  
file_path: AutoGL/autogl/utils/universal_registry.py
imports: import typing
label_desc: Use image node_id 1 for calling the _UniversalRegistryUtility obj's underlying member method code with example usage: obj.to_unique_identifier(cls, name) and returns: re