public TargetedSentimentMention withGroupScore(Float groupScore) {
        setGroupScore(groupScore);
        return this;
    }
<p>
The confidence that all the entities mentioned in the group relate to the same entity.
</p>

@param groupScore
       The confidence that all the entities mentioned in the group relate to the same entity.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/TargetedSentimentMention.java