@Override
  public Message messageFromObject() {
    Version.Builder builder = Version.newBuilder();
    builder.setRestVersion(restVersion);
    builder.setJvmVersion(jvmVersion);
    builder.setOsVersion(osVersion);
    builder.setServerVersion(serverVersion);
    builder.setJerseyVersion(jerseyVersion);
    builder.setVersion(version);
    builder.setRevision(revision);
    return builder.build();
  }
@param revision the REST server component source control revision string
hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/VersionModel.java