public com.google.cloud.vmmigration.v1.MigratingVmOrBuilder getMigratingVmOrBuilder() {
      if (migratingVmBuilder_ != null) {
        return migratingVmBuilder_.getMessageOrBuilder();
      } else {
        return migratingVm_ == null
            ? com.google.cloud.vmmigration.v1.MigratingVm.getDefaultInstance()
            : migratingVm_;
      }
    }
<pre>
Required. The create request body.
</pre>

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