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-rw-r--r--server/src/main/java/com/vaadin/server/DependencyFilter.java1
1 files changed, 1 insertions, 0 deletions
diff --git a/server/src/main/java/com/vaadin/server/DependencyFilter.java b/server/src/main/java/com/vaadin/server/DependencyFilter.java
index 3c02e6acbc..3f82647063 100644
--- a/server/src/main/java/com/vaadin/server/DependencyFilter.java
+++ b/server/src/main/java/com/vaadin/server/DependencyFilter.java
@@ -29,6 +29,7 @@ import com.vaadin.ui.Dependency;
*
* @since 8.1
*/
+@FunctionalInterface
public interface DependencyFilter extends Serializable {
/**