import { Tokens } from "./Tokens";
import { KeeError } from "./KeeError";
import { Claim } from "./Claim";
import { Response } from "superagent";
export type Feature = string;
export declare class Features {
    enabled: Feature[];
    validUntil: number;
    source: string;
    subscriptionId?: string;
}
export declare class User {
    private email;
    private _emailHashed;
    get emailHashed(): string;
    private _userId;
    get userId(): string;
    private salt;
    private passKey;
    private features;
    private _tokens;
    get tokens(): Tokens;
    private loginParameters?;
    private _verificationStatus;
    get verificationStatus(): AccountVerificationStatus;
    static fromEmailAndKey(email: string, hashedMasterKey: ArrayBuffer): Promise<User>;
    static fromEmail(email: string): Promise<User>;
    static fromResetProcess(email: string, unverifiedJWTString: string, hashedMasterKey: ArrayBuffer, sendResetConfirmation: (obj: object) => Promise<KeeError | Response>): Promise<false | User>;
    currentFeatures(): string[];
    setUserId(userId: string): void;
    derivePassKey(email: string, hashedMasterKey: ArrayBuffer): Promise<string>;
    register(introEmailStatus: number, marketingEmailStatus: number, isMobile: boolean, code: string): Promise<true | KeeError.Unexpected | KeeError.InvalidState | KeeError.LoginRequired | KeeError.LoginFailed | KeeError.LoginFailedMITM | KeeError.ServerFail | KeeError.ServerUnreachable | KeeError.ServerTimeout | KeeError.NotFound | KeeError.AlreadyRegistered | KeeError.MissingPrimaryDB | KeeError.ExceededQuota | KeeError.InvalidRequest | KeeError.MaybeOffline>;
    loginStart(): Promise<KeeError | {
        kms: string[];
    }>;
    loginFinish(hashedMasterKey?: ArrayBuffer): Promise<true | KeeError.Unexpected | KeeError.InvalidState | KeeError.LoginFailed | KeeError.LoginFailedMITM | KeeError.ServerFail | KeeError.ServerUnreachable | KeeError.ServerTimeout | KeeError.NotFound | KeeError.ServerConflict | KeeError.AlreadyRegistered | KeeError.MissingPrimaryDB | KeeError.ExceededQuota | KeeError.InvalidRequest | KeeError.MaybeOffline>;
    applyCouponToSubscription(code: string): Promise<boolean | KeeError.Unexpected | KeeError.InvalidState | KeeError.LoginFailed | KeeError.LoginFailedMITM | KeeError.ServerFail | KeeError.ServerUnreachable | KeeError.ServerTimeout | KeeError.NotFound | KeeError.ServerConflict | KeeError.AlreadyRegistered | KeeError.MissingPrimaryDB | KeeError.ExceededQuota | KeeError.InvalidRequest | KeeError.MaybeOffline>;
    refresh(): Promise<Tokens | KeeError>;
    resendVerificationEmail(): Promise<true | KeeError>;
    restartTrial(): Promise<true | KeeError.Unexpected | KeeError.InvalidState | KeeError.LoginFailed | KeeError.LoginFailedMITM | KeeError.ServerFail | KeeError.ServerUnreachable | KeeError.ServerTimeout | KeeError.NotFound | KeeError.ServerConflict | KeeError.AlreadyRegistered | KeeError.MissingPrimaryDB | KeeError.ExceededQuota | KeeError.InvalidRequest | KeeError.MaybeOffline>;
    changePassword(hashedMasterKey: ArrayBuffer, onChangeStarted: () => Promise<boolean>): Promise<true | KeeError.Unexpected | KeeError.InvalidState | KeeError.LoginFailed | KeeError.LoginFailedMITM | KeeError.ServerFail | KeeError.ServerUnreachable | KeeError.ServerTimeout | KeeError.NotFound | KeeError.ServerConflict | KeeError.AlreadyRegistered | KeeError.MissingPrimaryDB | KeeError.ExceededQuota | KeeError.InvalidRequest | KeeError.MaybeOffline>;
    resetStart(): Promise<boolean>;
    private parseJWTs;
}
export declare class UserManager {
    static init(stage: "dev" | "beta" | "prod", tokenChangeHandlerParam: (tokens: Tokens) => void): void;
    static verifyJWT(jwt: string): Promise<{
        audience: string;
        claim?: Claim | undefined;
    }>;
}
export declare function hashString(text: string, salt?: string): Promise<string>;
export declare function hashStringToHex(text: string, salt?: string): Promise<string>;
export declare function hashByteArray(text: Uint8Array, salt: Uint8Array): Promise<string>;
export declare function stretchByteArray(byteArray: Uint8Array, salt: string): Promise<string>;
export declare const EMAIL_ID_SALT = "a7d60f672fc7836e94dabbd7000f7ef4e5e72bfbc66ba4372add41d7d46a1c24";
export declare const EMAIL_AUTH_SALT = "4e1cc573ed8cd48a19beb6ec6729be6c7a19c91a40c6483be3c9d671b5fbae9a";
export declare const PASS_AUTH_SALT = "a90b6364315150a39a60d324bfafe6f4444deb15bee194a6d34726c31493dacc";
export declare const STRETCH_SALT = "509d04a4c27ea9947335e7aa45aabe4fcc2222c87daf0f0520712cefb000124a";
export declare enum AccountVerificationStatus {
    Never = 0,
    Reverify = 1,
    Sent = 2,
    Success = 3
}