/**
* Promises are like {@link java.util.concurrent.Future}s, but they provide
* a listener mechanism to wait for completion asynchronously.
* <p>
* @see com.linkedin.parseq.promise.Promise for details about the Promise
* API.
* @see com.linkedin.parseq.promise.Promises for convenience methods to create Promises.
*/
package com.linkedin.parseq.promise;