import { Observable } from 'rxjs';
import { QueryReturn } from '../models';
import { QueryOptions } from '../types';
import { SmartBusinessService } from './smart-business.service';
/**
 * Service ChartAnnotation data
 */
export declare class ChartBusinessService<T> extends SmartBusinessService<T> {
    readonly chartAnnotation$: Observable<import("../annotations").ChartAnnotation>;
    get chartAnnotation(): import("../annotations").ChartAnnotation;
    onInit(): Observable<any>;
    selectQuery(options?: QueryOptions<any>): Observable<QueryReturn<T>>;
}