public static RangeOfInt of(Number s, Number e) {
        if ((s == null) || (e == null)) {
            throw new IllegalArgumentException("Nulls not allowed");
        }
        if (e.longValue() < s.longValue()) {
            throw new IllegalArgumentException("end of range must be >= start of range");
        }
        return new RangeOfInt(s.intValue(), e.intValue());
    }
public static RangeOfInt of ( Number s , Number e ) { if ( ( s == null ) || ( e == null ) ) { throw new IllegalArgumentException ( "Nulls not allowed" ) ; } if ( e . longValue ( ) < s . longValue ( ) ) { throw new IllegalArgumentException ( "end of range must be >= start of range" ) ; } return new RangeOfInt ( s . intValue ( ) , e . intValue ( ) ) ; }
}