map<O> method
Implementation
UITestChainNode<U, O, T> map<O>(O Function(E e) mapper) =>
UITestChainNode(testChainRoot, mapper(element), this as T);
UITestChainNode<U, O, T> map<O>(O Function(E e) mapper) =>
UITestChainNode(testChainRoot, mapper(element), this as T);