public Builder mergeDeleteObject(
        com.google.cloud.storagebatchoperations.v1.DeleteObject value) {
      if (deleteObjectBuilder_ == null) {
        if (transformationCase_ == 6
            && transformation_
                != com.google.cloud.storagebatchoperations.v1.DeleteObject.getDefaultInstance()) {
          transformation_ =
              com.google.cloud.storagebatchoperations.v1.DeleteObject.newBuilder(
                      (com.google.cloud.storagebatchoperations.v1.DeleteObject) transformation_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          transformation_ = value;
        }
        onChanged();
      } else {
        if (transformationCase_ == 6) {
          deleteObjectBuilder_.mergeFrom(value);
        } else {
          deleteObjectBuilder_.setMessage(value);
        }
      }
      transformationCase_ = 6;
      return this;
    }
<pre>
Delete objects.
</pre>

<code>.google.cloud.storagebatchoperations.v1.DeleteObject delete_object = 6;</code>
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/Job.java