--- /dev/null
+package org.simantics.structural.synchronization.base;\r
+\r
+\r
+/**\r
+ * Stores state information of removed modules.\r
+ * \r
+ * @author Hannu Niemistö\r
+ */\r
+public interface StateUndoContextBase {\r
+ \r
+ public void saveState(Solver solver, int componentId, String uid);\r
+ public boolean loadState(Solver solver, int componentId, String uid);\r
+ \r
+}\r