interface LiveCheckerimport { type LiveChecker } from "https://dotland.deno.dev/x/live@1.107.0/observability/probes/handler.ts"; Type ParametersoptionalTValue = numberPropertiesname: stringget: () => TValueoptionalobserve: (req: Request) => { end: (response?: Response) => void; } | voidprint: (val: TValue) => unknowncheck: (val: TValue) => boolean