import { SankeyChartData as ChartData, Node } from './sankey-chart-data';
interface CustomOptions {
    nodeWidth?: number;
    nodeLineHeight?: number;
    marginX?: number;
    marginY?: number;
    leftX?: number;
    topY?: number;
    nodeMarginY?: number;
    nameMaxLength?: number;
    nodeColumnWith?: number;
    defaultNodeColor?: string;
    trafficLog10Factor?: number;
    relationDefaultWidth?: number;
    renderKindAsColums?: boolean;
    relation?: {
        selectedOpacity?: number;
        analyticsOpacity?: number;
        opacity?: number;
        environment?: {
            nonPROD?: {
                dashArray?: string;
            };
        };
        sameKindIndentation: number;
    };
    truncateText?: {
        defaultFontSizeAndFamily: string;
        ellipseCharacter: string;
    };
    rootCharacter?: string;
}
declare class SankeyChart {
    private options;
    private calculatedHeight;
    private svgElement;
    private nodePositions;
    private eventHandler;
    private contextMenuElement?;
    private contextMenuDynamicLinks?;
    private className;
    private chartData?;
    private selectedNodePositionY;
    private truncateText?;
    private SVG_NS;
    constructor(svgElement: any, customOptions?: CustomOptions);
    private setOptions;
    setData(chartData: ChartData): void;
    getData(): ChartData | undefined;
    addSelectionChangedListeners(callbackFunction: (data: {
        node?: Node;
        position: {
            y: number;
        };
    }) => void): void;
    addContextMenuListeners(contextMenuElement: HTMLElement, callbackFunction: (context: any) => {
        label: string;
        url: string;
        target?: string;
    }[]): void;
    addFetchDataListeners(callbackFunction: (data: any) => void): void;
    private createTruncateText;
    private resetSvg;
    private updateHeight;
    private renderElipsisMenu;
    private showContextMenu;
    private openPage;
    private closeContextMenu;
    private deepMerge;
    private renderNodes;
    private createCircle;
    private createRect;
    private appendCardinalityText;
    private createTextLines;
    private addHoverAndClickEvents;
    private createSvgText;
    private renderRelations;
    private render;
    private updateRelationWeights;
    private calculateGap;
}
export default SankeyChart;
export { SankeyChart, CustomOptions };