public void SetException(Exception exception)

public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine)
    where TAwaiter : ICriticalNotifyCompletion
    where TStateMachine : IAsyncStateMachine;

public static YarnTaskMethodBuilder<T> Create()

public void AwaitOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine)
    where TAwaiter : INotifyCompletion
    where TStateMachine : IAsyncStateMachine;

public partial struct YarnTaskMethodBuilder<T>