algoliasearch/src/main/java/com/algolia/search/saas/Index.java
public Request waitTaskAsync(final @NonNull String taskID, @Nullable CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override protected JSONObject run() throws AlgoliaException {
                return waitTask(taskID);
            }
        }.start();
    }
public Request waitTaskAsync(final @NonNull String taskID, @Nullable CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override protected JSONObject run() throws AlgoliaException {
                return waitTask(taskID);
            }
        }.start();
    }
public Request waitTaskAsync ( final @ NonNull String taskID , @ Nullable CompletionHandler completionHandler ) { return getClient ( ) . new AsyncTaskRequest ( completionHandler ) { @ NonNull @ Override protected JSONObject run ( ) throws AlgoliaException { return waitTask ( taskID ) ; } } . start ( ) ; }
Wait until the publication of a task on the server (helper).
All server tasks are asynchronous. This method helps you check that a task is published.

@param taskID            Identifier of the task (as returned by the server).
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.
Wait until the publication of a task on the server ( helper ) . All server tasks are asynchronous . This method helps you check that a task is published .