void (MultiMap<PsiElement, @DialogMessage String> conflicts, PsiElement[] elementsToMove, PackageWrapper targetPackage) { PackageLocalsUsageCollector visitor = new PackageLocalsUsageCollector(elementsToMove, targetPackage, conflicts); for (PsiElement element : elementsToMove) { if (element.getContainingFile() != null) { element.accept(visitor); } } }