declare global {
    interface Window {
        turnstile?: {
            render: (el: HTMLElement, opts: Record<string, unknown>) => string;
            reset: (id?: string) => void;
        };
    }
}
export type TurnstileProps = {
    /** Called with the token once solved, or null on expiry/error. */
    onToken: (token: null | string) => void;
    /**
     * Public Turnstile site key. The client project reads it server-side from
     * SiteIntegrations (turnstileSiteKey) and passes it in — the widget is a pure
     * client component and can't read Payload itself.
     */
    siteKey: string;
    theme?: 'auto' | 'dark' | 'light';
};
/**
 * Cloudflare Turnstile widget — reusable across any form. Renders the challenge
 * and reports the token via onToken. The token must then be verified
 * server-side (see verifyTurnstile) before a submission is trusted.
 *
 * siteKey is a prop rather than an env var so all Turnstile config lives in one
 * place (SiteIntegrations), consistent with the plugin's panel-managed model.
 * The script is injected directly (no next/script dependency) so the widget
 * stays framework-agnostic.
 */
export declare function Turnstile({ onToken, siteKey, theme }: TurnstileProps): import("react/jsx-runtime").JSX.Element | null;