declare const appearances: readonly ["light", "dark", "system"];
export type Appearance = (typeof appearances)[number];
export type ResolvedAppearance = "light" | "dark";
export type UseAppearanceReturn = {
    readonly appearance: Appearance;
    readonly resolvedAppearance: ResolvedAppearance;
    readonly updateAppearance: (mode: Appearance) => void;
};
/**
 * Seed the SSR/hydration snapshot from the backend-shared `lattice.appearance`
 * prop. The server render and the client's hydration pass must read the same
 * value, or components branching on the appearance mismatch on hydration.
 */
export declare function seedAppearance(value: unknown): void;
export declare function isAppearance(value: unknown): value is Appearance;
export declare function updateAppearance(mode: Appearance): void;
export declare function initializeAppearance(): void;
export declare function useAppearance(): UseAppearanceReturn;
export {};