code: def get(self,
              variable_path: str,
              default: t.Optional[t.Any] = None,
              coerce_type: t.Optional[t.Type] = None,
              coercer: t.Optional[t.Callable] = None,
              **kwargs):
          
          raise NotImplementedError
docs: Inherited method should take all specified arguments.
  
          :param variable_path: a delimiter-separated path to a nested value
          :param default: default value if there's no object by specified path
          :param coerce_type: cast a type of a value to a specified one
          :param coercer: perform a type casting with specified callback
          :param kwargs: additional arguments inherited parser may need
          :return: value or default