@Override
  @Nullable
  @NonNls
  public String getContent() {
    final VirtualFile vFile = getVirtualFile();
    if (vFile == null) {
      return null;
    }
    Document doc = ReadAction.compute(() -> FileDocumentManager.getInstance().getDocument(vFile));
    return doc == null ? null : doc.getText();
  }
@Override
  @Nullable
  @NonNls
  public String getContent()