protected void printUsageHint() {
    System.out.println(
      """
        Usage: installPlugins pluginId* repository* (--for-project=<project-path>)*

        Installs plugins with `pluginId` from the Marketplace or provided `repository`-es.
        If `--for-project` is specified, also installs the required plugins for a project located at <project-path>.""");
  }
protected void printUsageHint()