code: def __label2id__(self) -> Dict[str, int]:
      return {
          label: idx for idx, label in enumerate(self.__all_labels__)
      }
  
imports: from typing import TYPE_CHECKING, Dict, List
label_desc: Use image node_id 2 for calling the LabelMappingMixin obj's underlying member method code with example usage: obj.__label2id__() and returns: unknown