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-rw-r--r--server/src/main/java/com/vaadin/ui/TreeGrid.java3
1 files changed, 3 insertions, 0 deletions
diff --git a/server/src/main/java/com/vaadin/ui/TreeGrid.java b/server/src/main/java/com/vaadin/ui/TreeGrid.java
index b9e9508e24..9c01daa047 100644
--- a/server/src/main/java/com/vaadin/ui/TreeGrid.java
+++ b/server/src/main/java/com/vaadin/ui/TreeGrid.java
@@ -55,6 +55,9 @@ import com.vaadin.ui.declarative.DesignFormatter;
/**
* A grid component for displaying hierarchical tabular data.
*
+ * Visual hierarchy depth positioning of rows is done via styles, see
+ * <code>_treegrid.scss</code> from Valo theme.
+ *
* @author Vaadin Ltd
* @since 8.1
*