public com.google.protobuf.Timestamp.Builder getStateTimeBuilder() {
      bitField0_ |= 0x00000800;
      onChanged();
      return getStateTimeFieldBuilder().getBuilder();
    }
<pre>
Output only. The last time the migrating VM state was updated.
</pre>

<code>
.google.protobuf.Timestamp state_time = 22 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/MigratingVm.java