public void setUserIdsToRemove(java.util.Collection<String> userIdsToRemove) {
        if (userIdsToRemove == null) {
            this.userIdsToRemove = null;
            return;
        }

        this.userIdsToRemove = new com.amazonaws.internal.SdkInternalList<String>(userIdsToRemove);
    }
<p>
The list of user IDs to remove.
</p>

@param userIdsToRemove
       The list of user IDs to remove.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/UserGroupPendingChanges.java