boolean (@NotNull final Ref<UsageInfo[]> refUsages) { final MultiMap<PsiElement, String> conflicts = new MultiMap<>(); for (MemberInfo memberInfo : myDelegateMethodInfos) { if (memberInfo.isChecked() && memberInfo.isToAbstract()) { final PsiMember psiMember = memberInfo.getMember(); if (psiMember instanceof PsiMethod && ((PsiMethod)psiMember).findDeepestSuperMethods().length > 0) { conflicts.putValue(psiMember, JavaRareRefactoringsBundle .message("remove.middleman.deleted.hierarchy.conflict", SymbolPresentationUtil.getSymbolPresentableText(psiMember))); } } } return showConflicts(conflicts, refUsages.get()); }