code: function getHeaders(config) {
    const headers = { 'X-Presto-User': config.user };
    if (config.catalog) {
      headers['X-Presto-Catalog'] = config.catalog;
    }
    if (config.schema) {
      headers['X-Presto-Schema'] = config.schema;
    }
    return headers;
  }
docs: Get Presto headers from config