import type { LiveRegionElement } from '@primer/live-region-element';
declare class DangerDialogFormHelperElement extends HTMLElement {
    #private;
    checkbox: HTMLInputElement | undefined;
    liveRegion: LiveRegionElement;
    confirmationLiveMessageChecked: string;
    confirmationLiveMessageUnchecked: string;
    get form(): HTMLFormElement | null;
    get submitButton(): HTMLInputElement | HTMLButtonElement;
    connectedCallback(): void;
    toggle(): void;
}
declare global {
    interface Window {
        DangerDialogFormHelperElement: typeof DangerDialogFormHelperElement;
    }
}
export {};