(callbackBridge: StringAdd).self
(callbackBridge: StringFormat).self
(callbackBridge: ArrowAssoc[CallbackBridge[T]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(callbackBridge: Ensuring[CallbackBridge[T]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
(Since version 2.0) Do not use this directly, use subclasses of this