export type AuthenticateConfig = {
    reason?: string;
    description?: string;
    fallback?: boolean;
    supressEnterPassword?: boolean;
    blurOnAuthenticate?: boolean;
};
export type AuthenticationMethods = {
    readonly face: boolean;
    readonly fingerprint: boolean;
    readonly passcode: boolean;
};
export declare const AuthenticationOutcome: {
    /** A credential was offered and rejected. */
    readonly Failed: "E_AUTH_FAILED";
    /** Dismissed before any credential was evaluated. */
    readonly Cancelled: "E_CANCELLED";
    /** Could not be attempted; not a verdict about the user or the device. */
    readonly Indeterminate: "E_INDETERMINATE";
};
export type AuthenticationOutcome = (typeof AuthenticationOutcome)[keyof typeof AuthenticationOutcome];
export declare class AuthenticationError extends Error {
    readonly outcome: AuthenticationOutcome;
    constructor(outcome: AuthenticationOutcome, message?: string);
}
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