@Override
    public boolean equals(Object o) {
        if (o == this) return true;
        if (!super.equals(o)) return false;
        var other = (StringInItem) o;
        if (!Objects.equals(this.tokens, other.tokens)) return false;
        return true;
    }
Class representing an IN operator with a set of string values.

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