code: public void setSubscriptions(java.util.Collection<Subscription> subscriptions) {
          if (subscriptions == null) {
              this.subscriptions = null;
              return;
          }
  
          this.subscriptions = new com.amazonaws.internal.SdkInternalList<Subscription>(subscriptions);
      }
docs: <p>
  A list of subscriptions.
  </p>
  
  @param subscriptions
  A list of subscriptions.