code: public final <A extends Number & Comparable<?>> BooleanExpression notBetween(A from, A to) {
          return between(from, to).not();
      }
docs: Create a {@code this not between from and to} expression
  
  <p>Is equivalent to {@code this < from || this > to}</p>
  
  @param from inclusive start of range
  @param to inclusive end of range
  @return this not between from and to