code: async function init(keepAlive = false) {
    state = STATES.STARTING;
    const config = await getConfig();
    const relativeFrom = path.dirname(config.configFileUsed);
    // console.log({ config });
    twigNamespaces = await getTwigNamespaceConfig(
      relativeFrom,
      config.extraTwigNamespaces,
    );
    twigRenderer = new TwigRenderer({
      relativeFrom,
      src: {
        roots: [relativeFrom],
        namespaces: TwigRenderer.convertLegacyNamespacesConfig(twigNamespaces),
      },
      debug: true,
      alterTwigEnv: config.alterTwigEnv,
      hasExtraInfoInResponses: false, // Will add `info` onto results with a lot of info about Twig Env
      maxConcurrency: 50,
      keepAlive, // only set this to be true when doing in-browser requests to avoid issues with this process not exiting when complete
    });
    state = STATES.READY;
  }
docs: Initialize Twig Renderer instance
  @param {Boolean} keepAlive - Optionally tell the Twig renderer service to keep alive to help speed up requests