@Override
    public String toString() {
        StringBuilder b = new StringBuilder("Binding[");
        for (int i = 0; i < dimensions.length; i++)
            b.append(dimensions[i]).append("=").append(dimensionValues[i]).append(",");
        if (dimensions.length > 0)
            b.setLength(b.length()-1);
        b.append("] (generality " + generality + ")");
        return b.toString();
    }
Do not change the returtned array
container-search/src/main/java/com/yahoo/search/query/profile/compiled/Binding.java