List<ReferencedMatches> referencedMatches() {
        return referencedMatchesList;
    }
Add a choice point to this evaluation

@param  condition the creating condition
@param  create true to create this choicepoint if it is missing
@return the choicepoint, or null if not present, and create is false
container-search/src/main/java/com/yahoo/prelude/semantics/engine/RuleEvaluation.java