@shopify/app-bridge-host/store/reducers/embeddedApp/legacy/reducer.d.ts

App Bridge Host contains middleware and components that are meant to be consumed by the app's host. The middleware and `Frame` component are responsible for facilitating messages posted between the client and host, and used to act on actions sent from the

import { AnyAction } from 'redux';
export declare const defaultLegacyStore = false;
export default function legacyReducer(state: boolean | undefined, action: AnyAction): boolean;