import { IVisualizer } from "../../src/visualizers/IVisualizer";
import { IVisualizerOptions } from "../../src/visualizers/IVisualizerOptions";
import { Changes } from "../../src/common/chartChange";
import { ChartTheme } from "../../src/common/chartModels";
export declare class VisualizerMock implements IVisualizer {
    drawNewChart(options: IVisualizerOptions): Promise<void>;
    updateExistingChart(options: IVisualizerOptions, changes: Changes): Promise<void>;
    changeTheme(newTheme: ChartTheme): Promise<void>;
    downloadChartJPGImage(onError?: (error: Error) => void): void;
}