public Builder clearRewriteObject() {
      if (rewriteObjectBuilder_ == null) {
        if (transformationCase_ == 20) {
          transformationCase_ = 0;
          transformation_ = null;
          onChanged();
        }
      } else {
        if (transformationCase_ == 20) {
          transformationCase_ = 0;
          transformation_ = null;
        }
        rewriteObjectBuilder_.clear();
      }
      return this;
    }
<pre>
Rewrite the object and updates metadata like KMS key.
</pre>

<code>.google.cloud.storagebatchoperations.v1.RewriteObject rewrite_object = 20;</code>
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/Job.java