--- /dev/null
+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