class_docstr: Utility class for mapping between class name and id.
class_docstr_tok: ["Utility","class","for","mapping","between","class","name","and","id","."]
code: def get_by_id(self, id: int) -> str:
      return self._id2class[id]
  
file_path: icevision/icevision/core/class_map.py
imports: from icevision.imports import *
label_desc: Use image node_id 4 for calling the ClassMap obj's underlying member method code with example usage: obj.get_by_id(id) and returns: self