Task Completion Source

Should I expose asynchronous wrappers for synchronous methods?

Using TaskCompletionSource to change the semantics of async calls

C# : TASK PARALLEL LIBRARY (TPL) WITH ASYNC AWAIT AND TASKCOMPLETIONSOURCE FOR ASYNC I/O OPERATIONS

Task.Run Vs TaskCompletionSource Vs Task.Factory.FromAsync

The Nature of TaskCompletionSource

Stephen Toub

When should TaskCompletionSourceT be used?

Instance of Task class (Task.Factory.StartNew or TaskCompletionSource)

Wrapping Other Asynchronous Patterns in Awaitable Tasks

The danger of TaskCompletionSource class

Mechanisms for Creating Tasks