public void setScoreThreshold(double scoreThreshold) {
        this.scoreThreshold = scoreThreshold;
    }
Sets the initial score threshold used by the backend search operator handling this WandItem.
The score of a document must be larger than this threshold in order to be considered a match.
Default value is 0.0.

@param scoreThreshold the initial score threshold.
container-search/src/main/java/com/yahoo/prelude/query/WandItem.java