Fix implementation nullness guarantees

[yangtools.git] / yang / yang-data-util / src / main / java / org / opendaylight / yangtools / yang / data / util / OperationAsContainer.java

diff --git a/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/OperationAsContainer.java b/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/OperationAsContainer.java
index 0aa9b414d8843a5c7c17ea54f27b77f328731323..33b182c34ecd4f4d4b5bc476af7af6aafad73eea 100644 (file)
--- a/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/OperationAsContainer.java
+++ b/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/OperationAsContainer.java
@@ -62,12 +62,12 @@ public class OperationAsContainer extends ForwardingObject implements ContainerL
     }
 
     @Override
-    public final Collection<? extends TypeDefinition<?>> getTypeDefinitions() {
+    public final Collection<? extends @NonNull TypeDefinition<?>> getTypeDefinitions() {
         return delegate.getTypeDefinitions();
     }
 
     @Override
-    public final Collection<? extends GroupingDefinition> getGroupings() {
+    public final Collection<? extends @NonNull GroupingDefinition> getGroupings() {
         return delegate.getGroupings();
     }
 
@@ -177,7 +177,7 @@ public class OperationAsContainer extends ForwardingObject implements ContainerL
     }
 
     @Override
-    public final Collection<? extends MustDefinition> getMustConstraints() {
+    public final Collection<? extends @NonNull MustDefinition> getMustConstraints() {
         return ImmutableSet.of();
     }