GetDataSource

const collectionFilter = new CollectionFilter({  // ...  apply: (qb, args) => {    const LIKE = getDataSource(qb).options.type === 'postgres' ? 'ILIKE' : 'LIKE';    return qb.andWhere(`productVariant.sku ${LIKE} :sku`, { sku: `%${args.sku}%` });  },});

function getDataSource(source: DataSourceHolder): DataSource