import type { ColorMode, ResolvedColorMode, ThemeName } from "../tokens/types";
export type StoredTheme = {
    mode?: ColorMode;
    brand?: ThemeName;
};
export declare const readStoredTheme: (storageKey: string) => StoredTheme;
export declare const writeStoredTheme: (storageKey: string, value: StoredTheme) => void;
export declare const getSystemColorMode: () => ResolvedColorMode;
export declare const subscribeToSystemColorMode: (callback: (mode: ResolvedColorMode) => void) => (() => void);