type Result<T, E> = {
    ok: true;
    data: T;
} | {
    ok: false;
    error: E;
    more?: unknown;
};
type WebAuthnError = 'webauthn_unavailable' | 'timeout' | 'network_error' | 'bad_request' | 'server_error' | 'canceled_by_user' | 'invalid_domain' | 'browser_bug?' | 'api_unsupported_in_browser' | 'unexpected';
export type AuthResponse = Result<{
    token: string;
}, WebAuthnError>;
export type RegisterResponse = Result<{
    token: string;
}, WebAuthnError>;
type UserIdOrUsername = {
    id: string;
} | {
    username: string;
};
export type UserAuthenticationInfo = UserIdOrUsername;
export type UserRegistrationInfo = {
    username: string;
    displayName?: string;
};
declare class SDK {
    private apiKey;
    private host;
    private abortSignals;
    constructor(publicKey: string, host?: string);
    get isWebAuthnAvailable(): boolean;
    isConditionalCreateAvailable(): Promise<boolean>;
    isConditionalGetAvailable(): Promise<boolean>;
    startRegister(user: UserRegistrationInfo): Promise<RegisterResponse>;
    startAuth(user: UserAuthenticationInfo): Promise<AuthResponse>;
    autofill(): Promise<AuthResponse>;
    upgradeToPasskey(user: UserRegistrationInfo): Promise<RegisterResponse>;
    handleAutofill(callback: (arg0: AuthResponse) => void): Promise<void>;
    private doRegister;
    private doAuth;
    private api;
    private mustBePublicKeyCredential;
    private genericError;
    private convertCredentialsError;
    private convertNetworkError;
    private cancelExistingRequests;
}
export default SDK;