export type ContactLikesCounts = {
    likes: number;
    dislikes: number;
};
export declare function contactLikesCacheKey(document: string, type: string, value: string): string;
export declare function getCachedContactLikes(key: string): ContactLikesCounts | undefined;
export declare function setCachedContactLikes(key: string, counts: ContactLikesCounts): void;