import { IQueryResultData, IChartOptions } from './chartModels';
import { Changes } from './chartChange';
export declare class ChangeDetection {
    static detectChanges(oldQueryResultData: IQueryResultData, oldChartOptions: IChartOptions, newQueryResultData: IQueryResultData, newChartOptions: IChartOptions): Changes;
    private static isColumnsSelectionChanged;
}