/**
 * Theme appearance (light/dark) resolution for DOM attributes.
 */
export type ThemeAppearance = 'light' | 'dark';
/**
 * Resolves light/dark appearance for a theme ID.
 *
 * Falls back to `'dark'` when the theme is unknown (e.g. custom themes without
 * an explicit mapping).
 */
export declare function resolveThemeAppearance(themeId: string, appearances?: Readonly<Record<string, ThemeAppearance>>): ThemeAppearance;
//# sourceMappingURL=appearance.d.ts.map