import { AnyAction, Dispatch, Unsubscribe } from '@shopify/app-bridge/actions/types';
import { Context, ContextualMessageTransport } from '@shopify/app-bridge/MessageTransport';
import { TransportSubscription } from '@shopify/app-bridge';
import { Store } from './store/async';
export declare const MessageTransportType = "application";
/**
 * Configuration provided by an app.
 */
export interface AppConfig {
    apiKey: string;
}
/**
 * Configuration for an app.
 */
export interface PrivilegedAppConfig extends AppConfig {
    apiClientId?: string;
    appId: string;
    name: string;
    shopId: string;
    url: string;
    handle: string;
}
export declare type ApiClientConfig = PrivilegedAppConfig;
/**
 * Interface for interacting with a loaded application. An application may have
 * many transports for communication (e.g. multiple frames).
 */
export interface Application {
    /**
     * Attach a transport to an application.
     * @returns a method that can be called to detach the transport
     */
    attach(to: ContextualMessageTransport): (unload: boolean) => void;
    /**
     * Dispatch an action on all transports for an application.
     *
     * @todo Add option to dispatch directly to a given transport
     */
    dispatch(action: AnyAction): void;
    /**
     * Get the current state of an application.
     *
     * @todo Filter once application state structure is finalised
     */
    getState(): any;
    /**
     * Subscribe to all actions from an application on all transports.
     */
    subscribe(listener: () => void): () => void;
    /**
     * Returns true if an action is subcribed for a specific transport context
     */
    isTransportSubscribed(context: Context, type: string, id?: string): boolean;
}
export interface LoadData {
    type: typeof MessageTransportType;
    config: ApiClientConfig;
}
export interface MiddlewareAPI<S> {
    dispatch: Dispatch<S>;
    getState(): S;
}
/**
 * Build middleware, binding it to a given Redux Store. The returned middleware
 * will be responsible for loading application instances.
 */
export interface Middleware {
    load(data: LoadData): Application;
    <S>(api: MiddlewareAPI<S>): (next: Dispatch<S>) => Dispatch<S>;
}
export declare type Reducer<S> = (state: S, action: AnyAction) => S;
export interface Store<S> {
    dispatch: Dispatch<S>;
    getState(): S;
    subscribe(listener: () => void): Unsubscribe;
    replaceReducer(nextReducer: Reducer<S>): void;
}
export interface Subscription {
    [key: string]: TransportSubscription[] | undefined;
}
export declare type Subscriptions = {
    [key in Context]: Subscription;
};
export { AnyAction, Dispatch };
export interface TrackingEventPayload {
    action: AnyAction;
    appId: string;
    shopId: string;
}
/**
 * A union of all dynamic keys in the app store
 * @public
 */
export declare type HostFeatures = keyof Store;
/**
 * The interface for the host's components
 * @public
 * */
export interface ComponentProps {
    globalStore: Store;
}