import type { ChartOptions } from '../types/types.js';
export declare class ImageExporter {
    exportChart(chart: {
        chartElement(): HTMLElement;
    }, outputPath: string, options: ChartOptions): Promise<{
        success: boolean;
        dataUrl?: string;
        error?: string;
    }>;
    private waitForChartRender;
    private convertToCanvas;
    private elementToCanvas;
    private exportToPNG;
    private exportToJPEG;
    private exportToSVG;
    private elementToSVG;
    private convertPixelsToRects;
    private findLargestRect;
    private findMaxWidth;
    private findMaxHeight;
    private isSameColor;
    private isRowValid;
    private markRowAsVisited;
    private createFallbackSVG;
    private getFileExtension;
}