import { type WidgetProps } from '../widget/Widget';
export interface MountWidgetOptions extends WidgetProps {
    target: HTMLElement | string;
    mode?: ShadowRootMode;
    styles?: string;
}
export interface MountedWidget {
    host: HTMLElement;
    shadowRoot: ShadowRoot;
    update: (nextOptions: Partial<Omit<MountWidgetOptions, 'target'>>) => void;
    unmount: () => void;
}
export declare function injectWidgetStyles(target: ShadowRoot | HTMLElement, styles?: string): HTMLStyleElement;
export declare function mountWidget(initialOptions: MountWidgetOptions): MountedWidget;