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

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

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