Firebase Docs Reference System.Threading.Tasks Summary Classes System.Threading.Tasks.Task Represents an asynchronous task. System.Threading.Tasks.Task< T > Represents an asynchronous task that has a result. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated November 19, 2016.