@java.lang.Override
    public boolean hasRewriteObject() {
      return transformationCase_ == 20;
    }
<pre>
Rewrite the object and updates metadata like KMS key.
</pre>

<code>.google.cloud.storagebatchoperations.v1.RewriteObject rewrite_object = 20;</code>

@return Whether the rewriteObject field is set.
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/Job.java