import type { IconName } from '../mud-icon/mud-icon.types';
export declare const TOAST_VARIANTS: readonly ["info", "warning", "success", "error"];
export type ToastVariant = (typeof TOAST_VARIANTS)[number];
/** Default per-variant icon name resolved by `mud-icon` when `iconName` prop is unset. */
export declare const TOAST_DEFAULT_ICONS: Record<ToastVariant, IconName>;
/**
 * Variants that imply an assertive live region (urgent) per WCAG status/alert
 * pattern. Everything else uses the polite `status` role.
 */
export declare const TOAST_ASSERTIVE_VARIANTS: ReadonlySet<ToastVariant>;
/**
 * Fallback for the close fade-out: `mudClose` still fires this long after the
 * close if `animationend` never arrives (a hidden toast does not animate).
 * Longer than `--toast-container-dismiss-duration` (250ms).
 */
export declare const TOAST_DISMISS_FALLBACK_MS = 400;