private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.HttpTarget,
            com.google.cloud.tasks.v2beta2.HttpTarget.Builder,
            com.google.cloud.tasks.v2beta2.HttpTargetOrBuilder>
        getHttpTargetFieldBuilder() {
      if (httpTargetBuilder_ == null) {
        if (!(targetTypeCase_ == 17)) {
          targetType_ = com.google.cloud.tasks.v2beta2.HttpTarget.getDefaultInstance();
        }
        httpTargetBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta2.HttpTarget,
                com.google.cloud.tasks.v2beta2.HttpTarget.Builder,
                com.google.cloud.tasks.v2beta2.HttpTargetOrBuilder>(
                (com.google.cloud.tasks.v2beta2.HttpTarget) targetType_,
                getParentForChildren(),
                isClean());
        targetType_ = null;
      }
      targetTypeCase_ = 17;
      onChanged();
      return httpTargetBuilder_;
    }
<pre>
An http_target is used to override the target values for HTTP tasks.
</pre>

<code>.google.cloud.tasks.v2beta2.HttpTarget http_target = 17;</code>
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/Queue.java