import React from 'react';
export type AuthPageShellProps = {
    /** Hero photo on the left (default). Requires `imageSrc`/`imageAlt`. */
    leftPanel?: 'image';
    imageSrc: string;
    imageAlt: string;
    /**
     * Background classes for the hero image overlay gradient. Defaults to the
     * shared `--gradient-diagonal` theme token; pass a Tailwind gradient to
     * override it for a specific auth page without affecting the others.
     */
    gradientClassName?: string;
    children: React.ReactNode;
} | {
    /**
     * Brand isotype mark on a solid `bg-muted` panel — no photo, no
     * gradient. Pairs with a lighter `bg-card` form panel on the right,
     * the inverse of the `image` variant's `bg-muted` form panel.
     */
    leftPanel: 'isotype';
    children: React.ReactNode;
};
/**
 * Shared two-column shell used by every auth page (Login, ForgotPassword,
 * ResetPassword, VerifyEmail): a left panel (hero image or brand isotype) and
 * a centered form panel with a language selector on the right.
 */
export declare function AuthPageShell(props: AuthPageShellProps): React.JSX.Element;