public Builder setAppEngineHttpRequest(
        com.google.cloud.tasks.v2.AppEngineHttpRequest.Builder builderForValue) {
      if (appEngineHttpRequestBuilder_ == null) {
        messageType_ = builderForValue.build();
        onChanged();
      } else {
        appEngineHttpRequestBuilder_.setMessage(builderForValue.build());
      }
      messageTypeCase_ = 2;
      return this;
    }
<pre>
HTTP request that is sent to the App Engine app handler.

An App Engine task is a task that has
[AppEngineHttpRequest][google.cloud.tasks.v2.AppEngineHttpRequest] set.
</pre>

<code>.google.cloud.tasks.v2.AppEngineHttpRequest app_engine_http_request = 2;</code>
java-tasks/proto-google-cloud-tasks-v2/src/main/java/com/google/cloud/tasks/v2/Task.java