pianello-web-app/frontend/src/app.d.ts

// See https://kit.svelte.dev/docs/types#app
// for information about these interfaces
declare global {
	namespace App {
		// interface Error {}
		// interface Locals {}
		// interface PageData {}
		// interface Platform {}

		interface Route {
			id: number;
			name: string;
			duration: number;
			image: string;
		}
	}
}

export {
	Route
};