long setStartTime = System.nanoTime();
        for (int i = 0; i < 10000; i++) {
            queryFieldConfig.isSortField(testField);
        }
        long setDuration = System.nanoTime() - setStartTime;

        // For comparison, simulate array-based lookup
        long arrayStartTime = System.nanoTime();
        for (int i = 0; i < 10000; i++) {