/**
 * @file useTheme Hook
 * @description Hook for accessing and manipulating theme state
 */
/**
 * Theme mode type
 */
type ThemeMode = 'light' | 'dark' | 'system';
/**
 * Theme hook return type
 */
export interface UseThemeReturn {
    /** Current theme mode */
    theme: ThemeMode;
    /** Whether dark mode is active */
    isDark: boolean;
    /** Whether light mode is active */
    isLight: boolean;
    /** Toggle between light and dark mode */
    toggle: () => void;
    /** Set specific theme mode */
    setTheme: (mode: ThemeMode) => void;
    /** Set to light mode */
    setLight: () => void;
    /** Set to dark mode */
    setDark: () => void;
    /** Set to system preference */
    setSystem: () => void;
    /** Get CSS variable value */
    getCssVar: (name: string) => string;
    /** Apply theme class to element */
    applyThemeClass: (element: HTMLElement) => void;
}
/**
 * Hook for accessing and manipulating theme state
 */
export declare function useTheme(): UseThemeReturn;
/**
 * Hook for watching system theme preference changes
 */
export declare function useSystemThemePreference(): {
    prefersDark: boolean;
    prefersLight: boolean;
};
export {};