import { DeepReadonly, MaybeRefOrGetter, Ref } from 'vue';
/**
 * Check whether the dark theme is enabled on a specific element.
 * If you need to check an entire page, use `useIsDarkTheme` instead for better performance.
 * Reacts on element attributes change and system theme change.
 *
 * @param el - The element to check for the dark theme enabled on (default is `document.body`)
 * @return - computed boolean whether the dark theme is enabled
 */
export declare function useIsDarkThemeElement(el?: MaybeRefOrGetter<HTMLElement>): DeepReadonly<Ref<boolean>>;
/**
 * Shared composable to check whether the dark theme is enabled on the page.
 *
 * Reacts on body data-theme-* attributes change and system theme change.
 * As well as any enforced theme by the `NcThemeProvider`.
 *
 * @return Computed boolean whether the dark theme is enabled
 */
export declare function useIsDarkTheme(): DeepReadonly<Ref<boolean>>;