import type { PwaUpdateCheckInputValue, PwaUpdateCheckOutputValue } from '@contractspec/lib.contracts-spec/pwa/types';
export interface PwaUpdateClientOptions {
    appId: string;
    currentVersion: string;
    currentBuildId?: string;
    platform?: string;
    check: (input: PwaUpdateCheckInputValue) => Promise<unknown>;
    enabled?: boolean;
    checkIntervalMs?: number;
    onPrompt?: (update: PwaUpdateCheckOutputValue) => void;
    onApply?: (update: PwaUpdateCheckOutputValue) => void | Promise<void>;
}
export interface PwaUpdateClientState {
    update: PwaUpdateCheckOutputValue | null;
    updateAvailable: boolean;
    required: boolean;
    blocking: boolean;
    optional: boolean;
    loading: boolean;
    error: string | null;
    checkNow: () => Promise<PwaUpdateCheckOutputValue | null>;
    applyUpdate: () => Promise<void>;
    dismissUpdate: () => void;
}
export declare function isPwaUpdateBlocking(update: PwaUpdateCheckOutputValue | null | undefined): boolean;
export declare function shouldPromptForPwaUpdate(update: PwaUpdateCheckOutputValue | null | undefined): boolean;
export declare function usePwaUpdateChecker(options: PwaUpdateClientOptions): PwaUpdateClientState;