import type { StorageManager } from "./localStorageManager.js";
export type Mode = 'light' | 'dark' | 'system';
export type SystemMode = Exclude<Mode, 'system'>;
export interface State<SupportedColorScheme extends string> {
  /**
   * User selected mode.
   * Note: on the server, mode is always undefined
   */
  mode: 'light' | 'dark' | 'system' | undefined;
  /**
   * Only valid if `mode: 'system'`, either 'light' | 'dark'.
   */
  systemMode: 'light' | 'dark' | undefined;
  /**
   * The color scheme for the light mode.
   */
  lightColorScheme: SupportedColorScheme;
  /**
   * The color scheme for the dark mode.
   */
  darkColorScheme: SupportedColorScheme;
}
export type Result<SupportedColorScheme extends string> = State<SupportedColorScheme> & {
  /**
   * The current application color scheme. It is always `undefined` on the server.
   */
  colorScheme: SupportedColorScheme | undefined;
  /**
   * `mode` is saved to internal state and localStorage
   * If `mode` is null, it will be reset to the defaultMode
   */
  setMode: (mode: Mode | null) => void;
  /**
   * `colorScheme` is saved to internal state and localStorage
   * If `colorScheme` is null, it will be reset to the defaultColorScheme (light | dark)
   */
  setColorScheme: (colorScheme: SupportedColorScheme | Partial<{
    light: SupportedColorScheme | null;
    dark: SupportedColorScheme | null;
  }> | null) => void;
};
export declare function getSystemMode(mode: undefined | string): SystemMode | undefined;
export declare function getColorScheme<SupportedColorScheme extends string>(state: State<SupportedColorScheme>): SupportedColorScheme | undefined;
interface UseCurrentColoSchemeOptions<SupportedColorScheme extends string> {
  defaultLightColorScheme: SupportedColorScheme;
  defaultDarkColorScheme: SupportedColorScheme;
  supportedColorSchemes: Array<SupportedColorScheme>;
  defaultMode?: Mode | undefined;
  modeStorageKey?: string | undefined;
  colorSchemeStorageKey?: string | undefined;
  storageWindow?: Window | null | undefined;
  storageManager?: StorageManager | null | undefined;
  noSsr?: boolean | undefined;
}
export default function useCurrentColorScheme<SupportedColorScheme extends string>(options: UseCurrentColoSchemeOptions<SupportedColorScheme>): Result<SupportedColorScheme>;
export {};