export declare enum ReferralType {
    Storage = "storage"
}
export declare enum ReferralKey {
    CreateAccount = "create-account",
    InstallMobileApp = "install-mobile-app",
    ShareFile = "share-file",
    SubscribeToNewsletter = "subscribe-to-newsletter",
    InstallDesktopApp = "install-desktop-app",
    InviteFriends = "invite-friends",
    Invite2Friends = "invite-2-friends",
    CompleteSurvey = "complete-survey"
}
export interface UserReferral {
    key: ReferralKey;
    steps: number;
    completedSteps: number;
    isCompleted: boolean;
    credit: number;
    type: ReferralType;
}