import { TwoFactorMethod } from './two-factor-challenge';
import { TwoFactorLocalization } from './two-factor-localization';
declare module "../../lib/view-paths" {
    /** Widens `AuthViewPaths` with the two-factor path when this plugin is imported. */
    interface AuthViewPaths {
        /** @default "two-factor" */
        twoFactor?: string;
    }
}
export type TwoFactorPluginOptions = {
    /**
     * Override the plugin's default localization strings.
     * @remarks `TwoFactorLocalization`
     */
    localization?: Partial<TwoFactorLocalization>;
    /**
     * URL segment for the two-factor challenge view.
     * @remarks `string`
     * @default "two-factor"
     */
    path?: string;
    /**
     * Number of characters rendered by the TOTP and OTP inputs.
     *
     * Keep this in sync with Better Auth's `twoFactor({ totpOptions: { digits } })`
     * and `twoFactor({ otpOptions: { digits } })` server options.
     *
     * @remarks `number`
     * @default 6
     */
    codeLength?: number;
    /**
     * Offer backup-code recovery on the challenge view and expose backup-code
     * management in settings.
     *
     * Turn this off when the server sets `backupCodeOptions: { enabled: false }`.
     *
     * @remarks `boolean`
     * @default true
     */
    backupCodes?: boolean;
    /**
     * Show the "Trust this device" checkbox on the challenge view.
     *
     * @remarks `boolean`
     * @default true
     */
    trustDevice?: boolean;
    /**
     * Manage two-factor without asking for a password.
     *
     * Mirrors Better Auth's `twoFactor({ allowPasswordless })` server option,
     * which only skips the password for accounts that have no credential
     * account (e.g. passkey-only users) — set both or neither.
     *
     * @remarks `boolean`
     * @default false
     */
    allowPasswordless?: boolean;
    /**
     * Methods users can choose while enrolling in two-factor authentication.
     *
     * Add `"otp"` only when the server configures `otpOptions.sendOTP`.
     *
     * @remarks `TwoFactorMethod[]`
     * @default ["totp"]
     */
    enrollmentMethods?: TwoFactorMethod[];
};
export declare const twoFactorPlugin: ((options?: TwoFactorPluginOptions | undefined) => {
    localization: {
        twoFactor: string;
        twoFactorDescription: string;
        enableTwoFactor: string;
        disableTwoFactor: string;
        twoFactorEnabled: string;
        twoFactorDisabled: string;
        passwordConfirmation: string;
        chooseEnrollmentMethod: string;
        authenticatorApp: string;
        authenticatorAppDescription: string;
        deliveredCode: string;
        deliveredCodeDescription: string;
        scanQrCode: string;
        setupKey: string;
        setupKeyCopied: string;
        setupKeyCopyFailed: string;
        authenticatorCode: string;
        authenticatorCodeDescription: string;
        emailedCode: string;
        emailedCodeDescription: string;
        sendEmailCode: string;
        backupCode: string;
        backupCodeDescription: string;
        backupCodes: string;
        backupCodesForWebsite: string;
        backupCodesDescription: string;
        backupCodesCopied: string;
        backupCodesCopyFailed: string;
        downloadBackupCodes: string;
        printBackupCodes: string;
        regenerateBackupCodes: string;
        backupCodesRegenerated: string;
        useAuthenticator: string;
        useEmailedCode: string;
        useBackupCode: string;
        trustDevice: string;
        trustDeviceDescription: string;
        verify: string;
        codeLengthMismatch: string;
        backToSignIn: string;
        done: string;
    };
    codeLength: number;
    backupCodes: boolean;
    trustDevice: boolean;
    allowPasswordless: boolean;
    enrollmentMethods: TwoFactorMethod[];
    viewPaths: {
        auth: {
            twoFactor: string;
        };
    };
} & {
    id: "twoFactor";
}) & {
    id: "twoFactor";
};