import { DxPromise } from '@devexpress/analytics-core/analytics-internal';
import { IDataMemberInfo, IPathRequest } from '@devexpress/analytics-core/analytics-utils';
export declare class ChartRequests {
    static getChartImage(uri: string, chartLayout: any, width: number, height: number): DxPromise<any>;
    static fieldListCallback(request: IPathRequest): DxPromise<IDataMemberInfo[]>;
}