import type { PromptSubmission } from './prompt-types';
export declare const formatLikeCount: (n: number) => string;
export declare const getLikedIds: () => Set<string>;
export declare const saveLikedId: (id: string) => void;
export declare const removeLikedId: (id: string) => void;
export declare const getAvatarUrl: (s: PromptSubmission) => string | null;
export declare const getAuthorName: (s: PromptSubmission) => string;
export declare const getRelativeTime: (dateStr: string) => string;
