-package org.simantics.spreadsheet.graph;\r
-\r
-import java.util.Map;\r
-\r
-public interface SheetNode<Child extends SheetNode<?, ?>, Property extends SheetNode<?, ?>> {\r
-\r
- String getName();\r
- Map<String, Child> getChildren();\r
- Map<String, Property> getProperties();\r
- \r
-}\r
+package org.simantics.spreadsheet.graph;
+
+import java.io.Serializable;
+import java.util.Map;
+
+public interface SheetNode<Child extends SheetNode<?, ?>, Property extends SheetNode<?, ?>> extends Serializable {
+
+ String getName();
+ Map<String, Child> getChildren();
+ Map<String, Property> getProperties();
+
+}