     }
     
     /**
-     Watch for an Entity property.
-     - Parameter name: An Entity property to watch for.
+     Watch for a Property.
+     - Parameter Property name: A String.
+     - Parameter index: A String.
      */
     private func watch(Property name: String, index: String) {
         addWatcher(

    }
    
    /**
     Watch for an Entity group.
     - Parameter name: An Entity group name to watch for.
     */
    private func watch(Group name: String, index: String) {
        addWatcher(

    }
    
    /**
     Watch for a Tag.
     - Parameter Tag name: A String.
     - Parameter index: A String.
     */
    private func watch(Tag name: String, index: String) {
        addWatcher(
