import { AmazonConnectProvider, SubscriptionHandler, SubscriptionHandlerRelay } from "@amazon-connect/core";
import { Host } from "./host";
import { InstanceData } from "./instance-data";
import { InstanceStateChanged, InstanceStateChangedHandler, StateChanged } from "./state-changed-types";
export type StateChangeRelayParams<THost> = {
    provider: AmazonConnectProvider;
    topicKey: string;
    host: THost;
};
export type ExactEventForRelay<T, U extends T> = T & {
    [K in keyof U]: K extends keyof T ? U[K] : never;
};
export declare class StateChangeRelay<THandler extends SubscriptionHandler<TEvent>, THost extends Host<THost>, TInstanceData extends InstanceData, TEvent extends ExactEventForRelay<StateChanged<THost>, TEvent> = THandler extends SubscriptionHandler<infer E> ? E : never> extends SubscriptionHandlerRelay<InstanceStateChangedHandler<InstanceStateChanged<TInstanceData>, TInstanceData>, THandler, InstanceStateChanged<TInstanceData>, TEvent> {
    protected readonly namespace = "aws.connect.workspace";
    protected readonly topicKey: string;
    private readonly host;
    constructor({ provider, topicKey, host }: StateChangeRelayParams<THost>);
    protected translate({ state, previous, }: InstanceStateChanged<TInstanceData>): Promise<TEvent>;
}
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