import { type ThemeData } from './ThemeModel';
export interface UseExternalThemeResult {
    isEnabled: boolean;
    isPending: boolean;
    themeData?: ThemeData;
}
/**
 * If external theme is configured via `theme=EXTERNAL_THEME_KEY` query param,
 * handle `postMessage` communication to retrieve the theme data from the parent
 * Window. The hook will also listen for `MSG_REQUEST_SET_THEME` messages from
 * the parent and current Window to allow explicitly setting the theme.
 */
export declare function useExternalTheme(): UseExternalThemeResult;
export default useExternalTheme;
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