interface FluidTopicsRouterService { navigateTo(token: string): void; attachNavigationHook(callback: () => Promise): void; detachNavigationHook(): void; } declare global { interface Window { FluidTopicsRouterService: FluidTopicsRouterService; } } export declare class FtWebappRouterService { static navigateTo(token: string): void; static attachNavigationHook(callback: () => Promise): void; static detachNavigationHook(): void; } export {};