export type Theme = "light" | "dark" | "system";
export declare const DEFAULT_STORAGE_KEY = "anja-ui-theme";
export declare const SYSTEM_QUERY = "(prefers-color-scheme: dark)";
export declare const isTheme: (x: unknown) => x is Theme;
export declare const readStoredTheme: (key: string) => Theme | null;
export declare const getSystemDark: () => boolean;
export declare const applyMode: (mode: "light" | "dark") => void;