public static PropertyUnit of(Stack stack, String serviceName, String configType, String propertyName) {
      return new PropertyUnit(
        stackUnit(stack, serviceName, configType, propertyName)
          .map(PropertyUnit::toJvmUnit)
          .orElse(DEFAULT_UNIT));
    }
@return property value with removed unit
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/UnitUpdater.java