private void fileRenamed(@NotNull VFilePropertyChangeEvent event) {
        stopDaemonAndRestartAllFiles("Virtual file name changed");
        VirtualFile virtualFile = event.getFile();
        PsiFile psiFile = !virtualFile.isValid() ? null : ((FileManagerImpl)PsiManagerEx.getInstanceEx(myProject).getFileManager()).getFastCachedPsiFile(virtualFile);
        if (psiFile == null || myDaemonCodeAnalyzer.isHighlightingAvailable(psiFile)) {
          return;
        }

        Document document = FileDocumentManager.getInstance().getCachedDocument(virtualFile);
        if (document == null) {
          return;
        }
        // when the file becomes un-highlighteable, clear all highlighters from previous HighlightPasses
        removeAllHighlightersFromHighlightPasses(document, project);
      }
private void fileRenamed(@NotNull VFilePropertyChangeEvent event)