import type { ThemeType } from './';
declare global {
    var jupyterlab: {
        application?: {
            shell?: {
                dataset?: {
                    theme?: string;
                };
            };
        };
    } | undefined;
}
export declare function detect_parent_theme(target_element?: HTMLElement): ThemeType;
export declare function watch_theme(target_element: HTMLElement, callback: (theme: ThemeType) => void): () => void;