import type { Mode, ThemeDefinition, ThemeDocument } from "./index.js";
export declare function selectTheme(document: ThemeDocument, mode?: Mode): ThemeDefinition;
export declare function selectThemeMode(document: ThemeDocument, mode?: Mode): {
    theme: ThemeDefinition;
    mode: Mode;
};
export declare function themeModes(document: ThemeDocument): readonly Mode[];
export declare function supportsThemeMode(document: ThemeDocument, mode: Mode): boolean;