import { Subject } from 'rxjs';
import { Site, SiteList } from '../domain/site';
export declare abstract class ItemSummarySiteListService {
    data: {
        siteList: SiteList;
        sites: any[];
    };
    siteListCallback: Subject<Site[]>;
    protected constructor();
    abstract getSiteList(): void;
    abstract getSites(): Site[];
}