protected static SqlPredicateFragment of(String sql, Object object, boolean negated) {
        if (negated) {
            return of("(" + NOT + "(" + sql + "))", object);
        } else {
            return of(sql, object);
        }
    }
@author Per Minborg
@author Emil Forslund
runtime-parent/runtime-core/src/main/java/com/speedment/runtime/core/abstracts/AbstractFieldPredicateView.java