docs: def get_first_mapping(cls):
      """This allows for Django-like inheritance of mapping configurations"""
      from .models import Indexable
  
      if issubclass(cls, Indexable) and hasattr(cls, "Mapping"):
          return cls.Mapping
      for base in cls.__bases__:
          mapping = get_first_mapping(base)
          if mapping:
              return mapping
      return None