import { ViewModel } from "../../ViewModel";
import { SegmentType } from "../../navigation/index";
import type { Options as BaseOptions } from "../../ViewModel";
import type { Session } from "../../../matrix/Session";
export declare enum Status {
    Enabled = 0,
    SetupWithPassphrase = 1,
    SetupWithRecoveryKey = 2,
    Pending = 3,
    NewVersionAvailable = 4
}
export declare enum BackupWriteStatus {
    Writing = 0,
    Stopped = 1,
    Done = 2,
    Pending = 3
}
type Options = {
    session: Session;
} & BaseOptions;
export declare class KeyBackupViewModel extends ViewModel<SegmentType, Options> {
    private _error?;
    private _isBusy;
    private _dehydratedDeviceId?;
    private _status;
    private _backupOperationSubscription?;
    private _keyBackupSubscription?;
    private _progress?;
    private _setupKeyType;
    constructor(options: any);
    private get _session();
    private get _keyBackup();
    private get _crossSigning();
    private _onKeyBackupChange;
    get status(): Status;
    get decryptAction(): string;
    get purpose(): string;
    offerDehydratedDeviceSetup(): boolean;
    get dehydratedDeviceId(): string | undefined;
    get isBusy(): boolean;
    get backupVersion(): string;
    get isMasterKeyTrusted(): boolean;
    get canSignOwnDevice(): boolean;
    signOwnDevice(): Promise<void>;
    navigateToVerification(): void;
    get backupWriteStatus(): BackupWriteStatus;
    get backupError(): string | undefined;
    get error(): string | undefined;
    showPhraseSetup(): void;
    showKeySetup(): void;
    private _enterCredentials;
    enterSecurityPhrase(passphrase: any, setupDehydratedDevice: any): Promise<void>;
    enterSecurityKey(securityKey: any, setupDehydratedDevice: any): Promise<void>;
    disable(): Promise<void>;
    get isBackingUp(): boolean;
    get backupPercentage(): number;
    get backupInProgressLabel(): string;
    cancelBackup(): void;
    startBackup(): void;
}
export {};