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

        this.notificationDestinations = new java.util.ArrayList<String>(notificationDestinations);
    }
<p>
The Amazon Web Services notification channels that Amazon Managed Grafana can automatically create IAM roles and
permissions for, to allow Amazon Managed Grafana to use these channels.
</p>

@param notificationDestinations
       The Amazon Web Services notification channels that Amazon Managed Grafana can automatically create IAM
       roles and permissions for, to allow Amazon Managed Grafana to use these channels.
@see NotificationDestinationType
aws-java-sdk-managedgrafana/src/main/java/com/amazonaws/services/managedgrafana/model/WorkspaceDescription.java