Xamarin.Forms by Microsoft

<PackageReference Include="Xamarin.Forms" Version="4.1.0.618606" />

.NET API 1,121,904 bytes

AsyncValue<T>

public sealed class AsyncValue<T> : INotifyPropertyChanged

public static AsyncValue<T> Null { get; }

public bool IsRunning { get; set; }

public T Value { get; }

public event PropertyChangedEventHandler PropertyChanged

public AsyncValue(Task<T> valueTask, T defaultValue = null)