@@ -0,0 +1,356 @@
+package org.genericsystem.watch.beta;%0A%0Aimport org.genericsystem.api.core.annotations.SystemGeneric;%0Aimport org.genericsystem.api.core.annotations.constraints.InstanceValueClassConstraint;%0A%0Apublic class Model %7B%0A%0A%09@SystemGeneric%0A%09public static class Task %7B%0A%09%7D%0A%0A%09@SystemGeneric%0A%09@InstanceValueClassConstraint(String.class)%0A%09public static class Message %7B%0A%09%7D%0A%0A%7D

The model