--- /dev/null
+package org.simantics.document.server.client;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.document.server.JSONObject;\r
+\r
+public interface CommandManager<D extends Document, C> {\r
+ \r
+ public Collection<Object> updateCommandListeners(D document, JSONObject object, C widget);\r
+\r
+ public void removeListener(C widget, Object listener);\r
+ \r
+}\r