import { PwaOptions } from './types';
export declare const PWA_UPDATE_READY_EVENT = "burdenoff:pwaUpdateReady";
export declare const PWA_INSTALLED_EVENT = "burdenoff:pwaInstalled";
export declare const PWA_INSTALL_AVAILABLE_EVENT = "burdenoff:pwaInstallAvailable";
export declare function isPwaEligibleHost(hostname: string): boolean;
/** Test-only reset. */
export declare function resetPwaForTests(): void;
export declare function installPwa(options?: PwaOptions): void;
/**
 * Trigger the captured install prompt. Resolves true when the user accepted.
 * (The fe-libs `usePWA` hook is the richer, stateful alternative.)
 */
export declare function installPwaPrompt(): Promise<boolean>;
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