public Builder setReplicating(com.google.cloud.vmmigration.v1.ReplicatingStep value) {
      if (replicatingBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        step_ = value;
        onChanged();
      } else {
        replicatingBuilder_.setMessage(value);
      }
      stepCase_ = 4;
      return this;
    }
<pre>
Replicating step.
</pre>

<code>.google.cloud.vmmigration.v1.ReplicatingStep replicating = 4;</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/CycleStep.java