public void setUserCount(Long userCount) {
        this.userCount = userCount;
    }
<p>
The number of UserIDs assigned to the specified colleciton.
</p>

@param userCount
       The number of UserIDs assigned to the specified colleciton.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/DescribeCollectionResult.java