@Override
    public String stringValue() {
        StringBuilder builder = new StringBuilder();
        builder.append("[ ");
        for (Alternative a : alternatives) {
            builder.append(a.word).append("(").append(a.exactness).append(") ");
        }
        builder.append("]");
        return builder.toString();
    }
A set of words with differing exactness scores to be used for literal boost ranking.

@author Steinar Knutsen
container-search/src/main/java/com/yahoo/prelude/query/WordAlternativesItem.java