abstract fun <T : Any> toBeNullIfNullGivenElse(container: AssertionContainer<T?>, type: KClass<T>, assertionCreatorOrNull: (Expect<T>.() -> Unit)?): Assertion
abstract fun <T : Any> toBeNullIfNullGivenElse(container: AssertionContainer<T?>, assertionCreatorOrNull: (Expect<T>.() -> Unit)?): Assertion