@Override
    protected void appendBodyString(StringBuilder buffer) {
        buffer.append(getIndexName());
        buffer.append("{");
        for (var token : tokens) {
            buffer.append(token.toString());
            if (token < Integer.MIN_VALUE || token > Integer.MAX_VALUE) {
                buffer.append("L");
            }
            buffer.append(",");
        }
        if (!tokens.isEmpty()) {
            buffer.deleteCharAt(buffer.length() - 1); // remove extra ","
        }
        buffer.append("}");
    }
Class representing an IN operator with a set of 64-bit
integer values.

@author toregge
container-search/src/main/java/com/yahoo/prelude/query/NumericInItem.java