private @NotNull String getPath(@NotNull PluginId pluginId, @NotNull String path) {
    return ScratchFileService.getInstance().getRootPath(this) + '/' + pluginId.getIdString() + (Strings.isEmpty(path) ? "" : '/' + path);
  }
private @NotNull String getPath(@NotNull PluginId pluginId, @NotNull String path)