private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.vmmigration.v1.CutoverJob,
            com.google.cloud.vmmigration.v1.CutoverJob.Builder,
            com.google.cloud.vmmigration.v1.CutoverJobOrBuilder>
        getCutoverJobFieldBuilder() {
      if (cutoverJobBuilder_ == null) {
        cutoverJobBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.vmmigration.v1.CutoverJob,
                com.google.cloud.vmmigration.v1.CutoverJob.Builder,
                com.google.cloud.vmmigration.v1.CutoverJobOrBuilder>(
                getCutoverJob(), getParentForChildren(), isClean());
        cutoverJob_ = null;
      }
      return cutoverJobBuilder_;
    }
<pre>
Required. The cutover request body.
</pre>

<code>
.google.cloud.vmmigration.v1.CutoverJob cutover_job = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/CreateCutoverJobRequest.java