cleanup

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/InheritanceUtil.java

@@ -61,6 +61,7 @@ public class InheritanceUtil {
     final SearchScope scope = GlobalSearchScope.allScope(class1.getProject());
     final Query<PsiClass> search = ClassInheritorsSearch.search(class1, scope, true, true);
     return !search.forEach(new Processor<PsiClass>() {
+      @Override
       public boolean process(PsiClass inheritor) {
         return !inheritor.equals(class2) && !inheritor.isInheritor(class2, true);
       }

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/PsiElementOrderComparator.java

@@ -24,6 +24,7 @@ public class PsiElementOrderComparator implements Comparator<PsiElement> {
   private static final PsiElementOrderComparator INSTANCE =
     new PsiElementOrderComparator();
 
+  @Override
   public int compare(PsiElement element1, PsiElement element2) {
     final int offset1 = element1.getTextOffset();
     final int offset2 = element2.getTextOffset();

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/SingletonUtil.java

@@ -105,6 +105,7 @@ public class SingletonUtil {
       this.field = field;
     }
 
+    @Override
     public boolean process(PsiReference reference) {
       final PsiElement element = reference.getElement();
       final PsiElement parent = element.getParent();