export declare class SharedUserCacheKey {
    static PREFIX: string;
    static hashTag: string;
    static usernameById(userId: string): string;
    static profileByUserName(username: string): string;
    static allProfilesOfUser(userId: string): string;
    static userSettingsOfUser(userId: string): string;
    static userOwnershipNftLinked(userId: string): string;
    /**
     * @deprecated
     */
    static getTokenValidationHashKey(username: string): string;
    static getUserCronHealthCheckKey(identifier: string): string;
    static getReferralLeaderboardRankingsKey(): string;
    static getReferralLeaderboardUpdatedAtKey(): string;
    static getReferralLeaderboardLatestSnapshotTSKey(): string;
    static getUserSubscriptionFeaturesKey(userId: string): string;
    /** @deprecated */
    static getPendingSubscriptionKey(userId: string): string;
}