import { AmazonConnectProvider, SubscriptionHandler, SubscriptionHandlerRelay } from "@amazon-connect/core";
import { AppStateTopicKey } from "../../topic-keys";
import { AppInstanceStateChanged, AppInstanceStateChangedHandler, AppStateChanged } from "../app-event-types";
import { AppHost } from "./app-host";
export type StateChangeRelayParams = {
    provider: AmazonConnectProvider;
    topicKey: AppStateTopicKey;
    appHost: AppHost;
};
type Exact<T, U extends T> = T & {
    [K in keyof U]: K extends keyof T ? U[K] : never;
};
export declare class StateChangeRelay<THandler extends SubscriptionHandler<TEvent>, TEvent extends Exact<AppStateChanged, TEvent> = THandler extends SubscriptionHandler<infer E> ? E : never> extends SubscriptionHandlerRelay<AppInstanceStateChangedHandler, THandler, AppInstanceStateChanged, TEvent> {
    protected readonly namespace = "aws.connect.workspace";
    protected readonly topicKey: string;
    private readonly appHost;
    constructor({ provider, topicKey, appHost }: StateChangeRelayParams);
    protected translate({ state, previous, }: AppInstanceStateChanged): Promise<TEvent>;
}
export {};
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