export interface BackupDeviceData {
    ckbAddr: string;
    name: string;
    device?: string;
}
interface WebAuthnState {
    backupDeviceData?: BackupDeviceData;
    selectedEmoji?: string;
    pendingTxHash?: string;
    qrCodeData: string;
    mediaStream: {
        inner?: MediaStream;
    };
    signData?: any;
}
export declare const webAuthnState: WebAuthnState;
export declare const setBackupDeviceData: (data?: BackupDeviceData) => void;
export declare const setQrCodeData: (data: string) => void;
export declare const setPendingTx: (tx?: string) => void;
export declare const setSelectedEmoji: (emoji?: string) => void;
export declare const setMediaStream: (mediaStream?: MediaStream) => void;
export declare const setSignData: (signData?: any) => void;
export declare function useWebAuthnState(): {
    readonly backupDeviceData?: {
        readonly ckbAddr: string;
        readonly name: string;
        readonly device?: string | undefined;
    } | undefined;
    readonly selectedEmoji?: string | undefined;
    readonly pendingTxHash?: string | undefined;
    readonly qrCodeData: string;
    readonly mediaStream: {
        readonly inner?: {
            readonly active: boolean;
            readonly id: string;
            readonly onaddtrack: ((this: MediaStream, ev: MediaStreamTrackEvent) => any) | null;
            readonly onremovetrack: ((this: MediaStream, ev: MediaStreamTrackEvent) => any) | null;
            readonly addTrack: (track: MediaStreamTrack) => void;
            readonly clone: () => MediaStream;
            readonly getAudioTracks: () => MediaStreamTrack[];
            readonly getTrackById: (trackId: string) => MediaStreamTrack | null;
            readonly getTracks: () => MediaStreamTrack[];
            readonly getVideoTracks: () => MediaStreamTrack[];
            readonly removeTrack: (track: MediaStreamTrack) => void;
            readonly addEventListener: {
                <K extends keyof MediaStreamEventMap>(type: K, listener: (this: MediaStream, ev: MediaStreamEventMap[K]) => any, options?: boolean | AddEventListenerOptions | undefined): void;
                (type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions | undefined): void;
            };
            readonly removeEventListener: {
                <K_1 extends keyof MediaStreamEventMap>(type: K_1, listener: (this: MediaStream, ev: MediaStreamEventMap[K_1]) => any, options?: boolean | EventListenerOptions | undefined): void;
                (type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions | undefined): void;
            };
            readonly dispatchEvent: (event: Event) => boolean;
        } | undefined;
    };
    readonly signData?: any;
};
export {};