UtilityClassWithLombok.java

public final class UtilityClassWithLombok {
  private static final int CONSTANT = 5;

  private UtilityClassWithLombok() {
      throw new java.lang.UnsupportedOperationException("This is a utility class and cannot be instantiated");
  }

  public static int addSomething(int in) {
      return in + CONSTANT;
  }
}