type Constructor<T> = new (...args: any[]) => T;
interface CustomElement {
    connectedCallback?(): void;
    disconnectedCallback?(): void;
    readonly isConnected: boolean;
}
interface Store<S> {
    getState(): S;
    subscribe(listener: () => void): () => void;
}
export declare const connectMixin: <S>(store: Store<S>) => <T extends Constructor<CustomElement>>(baseElement: T) => {
    new (...args: any[]): {
        _storeUnsubscribe: () => void;
        _storeState: S;
        connectedCallback(): void;
        disconnectedCallback(): void;
        stateChanged(_state: S): void;
        readonly isConnected: boolean;
    };
} & T;
export {};