public void setDestinations(java.util.Collection<GameSessionQueueDestination> destinations) {
        if (destinations == null) {
            this.destinations = null;
            return;
        }

        this.destinations = new java.util.ArrayList<GameSessionQueueDestination>(destinations);
    }
<p>
A list of fleets and/or fleet aliases that can be used to fulfill game session placement requests in the queue.
Destinations are identified by either a fleet ARN or a fleet alias ARN, and are listed in order of placement
preference.
</p>

@param destinations
       A list of fleets and/or fleet aliases that can be used to fulfill game session placement requests in the
       queue. Destinations are identified by either a fleet ARN or a fleet alias ARN, and are listed in order of
       placement preference.
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/CreateGameSessionQueueRequest.java