@league-of-foundry-developers/foundry-vtt-types/src/foundry/client/tours/canvas-tour.d.mts

TypeScript type definitions for Foundry VTT

import type { Tour } from "../core/tour.d.mts";

declare global {
  class CanvasTour extends Tour {
    override start(): Promise<void>;
    override get canStart(): boolean;
    protected override _preStep(): Promise<void>;
  }
}