@java.lang.Override
  public com.google.cloud.tasks.v2beta2.AppEngineHttpTargetOrBuilder
      getAppEngineHttpTargetOrBuilder() {
    if (targetTypeCase_ == 3) {
      return (com.google.cloud.tasks.v2beta2.AppEngineHttpTarget) targetType_;
    }
    return com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance();
  }
<pre>
App Engine HTTP target.

An App Engine queue is a queue that has an
[AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
</pre>

<code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/Queue.java