interface ServeInit extends Partial<Deno.ListenOptions> Properties 🔗 signal: AbortSignal An AbortSignal to close the server and all connections. 🔗 onError: (error: unknown) => Response | Promise<Response> The handler to invoke when route handlers throw an error. 🔗 onListen: (params: { hostname: string; port: number; }) => void The callback which is called when the server started listening