@Override
  public @Nullable CustomFoldRegion addCustomLinesFolding(int startLine, int endLine, @NotNull CustomFoldRegionRenderer renderer) {
    Logger.getInstance(FoldingModelWindow.class).error("Custom fold regions aren't supported for injected editors");
    return null;
  }
@Override
  public @Nullable CustomFoldRegion addCustomLinesFolding(int startLine, int endLine, @NotNull CustomFoldRegionRenderer renderer)