import type { IconName } from '../mud-icon/mud-icon.types';
export declare const BANNER_VARIANTS: readonly ["info", "warning", "error"];
export type BannerVariant = (typeof BANNER_VARIANTS)[number];
export declare const BANNER_EMPHASES: readonly ["subtle", "strong"];
export type BannerEmphasis = (typeof BANNER_EMPHASES)[number];
/** Default per-variant icon name resolved by `mud-icon` when `iconName` is unset. */
export declare const BANNER_DEFAULT_ICONS: Record<BannerVariant, IconName>;
/**
 * Variants that imply an assertive live region (urgent) per the WCAG
 * status/alert pattern. `info` stays polite. Mirrors mud-toast
 * convention for cross-component consistency.
 */
export declare const BANNER_ASSERTIVE_VARIANTS: ReadonlySet<BannerVariant>;