export default _default;
declare function _default<T extends {
  rootSelector?: string | undefined;
  colorSchemeSelector?: 'media' | 'class' | 'data' | string | undefined;
  colorSchemes?: Record<string, any> | undefined;
  defaultColorScheme?: string | undefined;
  cssVarPrefix?: string | undefined;
}>(theme: T): (colorScheme: keyof T['colorSchemes'] | undefined, css: Record<string, any>) => string | {
  [x: string]: Record<string, any>;
  "@media (prefers-color-scheme: dark)": {
    [x: string]: Record<string, any>;
  };
} | {
  [x: string]: Record<string, any>;
  "@media (prefers-color-scheme: dark)"?: undefined;
};