import { type RecentEmojiStore } from '../emoji-recent.js';
type Snapshot = {
    ids: string[];
    phase: 'idle' | 'loading' | 'ready' | 'error';
    failedId?: string | undefined;
};
/** One account cache per Browser module; Host SQLite remains the sole durable authority. */
export declare class RecentEmojiCache implements RecentEmojiStore {
    private accounts;
    private account;
    private notify;
    snapshot: (key?: string) => Snapshot;
    subscribe: (key: string | undefined, listener: () => void) => (() => void);
    recentEmojiIds(key: string): Promise<string[]>;
    recordRecentEmoji(key: string, id: string): Promise<string[]>;
    /** Preferences are best effort on exit: never consume the native 5-second draft barrier. */
    flush(key: string): Promise<void>;
    /** Account cache invalidation; pending saves retain their own state until settled. */
    clear(): void;
}
export declare const arkmeRecentEmojiStore: RecentEmojiCache;
export declare function useRecentEmoji(key?: string): Snapshot;
export {};
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