export type RanThemeName = 'light' | 'dark' | 'system';
export type ThemeTarget = HTMLElement | Document;
export type ThemeTokenMap = Record<string, string | number | null | undefined>;
export declare const setTheme: (name: RanThemeName, target?: ThemeTarget) => void;
export declare const getTheme: (target?: ThemeTarget) => RanThemeName | '';
export declare const setThemeToken: (name: string, value: string | number, target?: HTMLElement) => void;
export declare const clearThemeToken: (name: string, target?: HTMLElement) => void;
export declare const setThemeTokens: (tokens: ThemeTokenMap, target?: HTMLElement) => void;
export declare const initTheme: (target?: ThemeTarget) => void;