private long createEdgeFeatureHash(StringBuilder builder, long edgeInterval) {
        int prefixLength = builder.length();
        String feature = builder.append(edgeInterval).toString();
        builder.setLength(prefixLength);
        return PredicateHash.hash64(feature);
    }
Expands a range term to a set of features (ranges and edges) to be used in a query.

@param key          The term key
@param value        The term value
@param rangeHandler Handler for range features (long)
@param edgeHandler  Handler for edge features (long, int)
predicate-search/src/main/java/com/yahoo/search/predicate/index/PredicateRangeTermExpander.java