interface DrawPathOptions {
    strokeColor: string;
    lineWidth?: number;
    /** shorten the path between node from both ends */
    offset?: number;
}
/**
 * This function draws line on canvas between the center of nodes.
 *
 * Attention:
 * canvasContext must share the same offsetParent with the nodes.
 */
declare function drawPathBetweenNodes(nodes: NodeListOf<Element>, canvasContext: CanvasRenderingContext2D, { strokeColor, lineWidth, offset }: DrawPathOptions): void;
export declare const CanvasUtil: Readonly<{
    drawPathBetweenNodes: typeof drawPathBetweenNodes;
}>;
export {};