export interface RecentEmojiStore {
    recentEmojiIds(accountKey: string): Promise<string[]>;
    recordRecentEmoji(accountKey: string, emojiId: string): Promise<string[]>;
}
export declare const recentEmojiLimit = 8;
export declare function isRecentEmojiId(id: string): boolean;
export declare function normalizeRecentEmojiIds(value: unknown): string[];
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