export declare class SharedGroupCacheKey {
    private static PREFIX;
    private static hashTag;
    static groupById(groupId: string): string;
    static joinedGroupsOfUser(userId: string): string;
    static communityPermissionsOfUser(userId: string): string;
    static groupPermissionsOfUser(userId: string): string;
    static showingBadgeOfUser(userId: string): string;
    static bannedTargetsOfUser(userId: string): string;
}