    def redefine_many(self, definitions=()) -> TypeChecker:
        """
        Produce a new checker with the given types redefined.

        Arguments:

            definitions (dict):

                A dictionary mapping types to their checking functions.

        """
        type_checkers = self._type_checkers.update(definitions)
        return evolve(self, type_checkers=type_checkers)
Produce a new checker with the given types redefined.

Arguments:

definitions (dict):

A dictionary mapping types to their checking functions.
jsonschema/_types.py