public void setSubscriptions(java.util.Collection<Subscription> subscriptions) {
        if (subscriptions == null) {
            this.subscriptions = null;
            return;
        }

        this.subscriptions = new java.util.ArrayList<Subscription>(subscriptions);
    }
A list of subscriptions.

@param subscriptions
       A list of subscriptions.
aws-java-sdk-greengrass/src/main/java/com/amazonaws/services/greengrass/model/SubscriptionDefinitionVersion.java