import { Observable } from 'rxjs';
import { AbstractKlesTreeTableService } from '../treetable/abstracttreetable.service';
export declare abstract class AbstractKlesLazyTreetableService extends AbstractKlesTreeTableService {
    abstract load(sort: string, order: string, page: number, perPage: number, filter?: {
        [key: string]: any;
    }): Observable<{
        lines: any[];
        totalCount: number;
        footer?: any;
        header?: any;
    }>;
    abstract loadChild(parent: any, sort?: string, order?: string, page?: number, perPage?: number, filter?: {
        [key: string]: any;
    }): Observable<{
        lines: any[];
        totalCount: number;
    }>;
    abstract reload(): void;
}