/**
 * Apply a theme to an element by setting the CSS variables on it.
 *
 * element: Element to apply theme on.
 * themes: HASS Theme information
 * localTheme: selected theme.
 * updateMeta: boolean if we should update the theme-color meta element.
 */
export declare const applyThemesOnElement: (element: any, themes: any, localTheme: any, updateMeta?: boolean) => void;