Kind tParams = Guarantee; export default async purpose Obstacle( params : params: tParams ) const slug = await params; const productID = slug[1]; // other code right here FutureWarning: Downcasting behavior in `switch` is deprecated and may be taken out within a future version. To keep the outdated conduct, explicitly https://alphawireless.com/future-proofing-american-utilities-why-900-mhz-is-critical-for-utility-communications/