code: public static ContractIntCondition conditionI(
      final IntPredicate condition,
      final IntFunction<String> describer)
    {
      return ContractIntCondition.of(condition, describer);
    }
docs: Construct an {@code int} specialized predicate from the given predicate
  function and describer.
  
  @param condition The predicate function
  @param describer The describer
  
  @return A predicate