Mapping securityAttributesMapping = new DMRMapping()
.addAttributes("user-name", "password", "security-domain");
// UI
InteractionUnit root = new Builder()
.start(new Container<StereoTypes>(namespace, "datasources", "Datasources", Choice, EditorPanel))
.mappedBy(datasourceCollection)
.start(new Container(namespace, "regularDS", "Regular", Concurrency))