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-rw-r--r--shared/src/main/java/com/vaadin/shared/ui/treegrid/TreeGridCommunicationConstants.java3
1 files changed, 2 insertions, 1 deletions
diff --git a/shared/src/main/java/com/vaadin/shared/ui/treegrid/TreeGridCommunicationConstants.java b/shared/src/main/java/com/vaadin/shared/ui/treegrid/TreeGridCommunicationConstants.java
index c3bd0bbd91..0e678aeb3a 100644
--- a/shared/src/main/java/com/vaadin/shared/ui/treegrid/TreeGridCommunicationConstants.java
+++ b/shared/src/main/java/com/vaadin/shared/ui/treegrid/TreeGridCommunicationConstants.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
/**
* Set of contants used by TreeGrid. These are commonly used JsonObject keys
* which are considered to be reserved for internal use.
- *
+ *
* @author Vaadin Ltd
* @since 8.1
*/
@@ -29,4 +29,5 @@ public class TreeGridCommunicationConstants implements Serializable {
public static final String ROW_DEPTH = "d";
public static final String ROW_COLLAPSED = "c";
public static final String ROW_LEAF = "l";
+ public static final String ROW_COLLAPSE_ALLOWED = "ca";
}