Wait library

Functions

waitUntil<T>({required int intervalMilliseconds, required Future<T> process(Completer<T> completer)}) Future<T>
waitUntilFound<T>({required int intervalMilliseconds, required Future<T?> process()}) Future<T>
waitUntilFoundInStream<T>({required Stream<T> stream, required bool predicate(T data)}) Future<T>