/**
 *  SVG Helpers
 */
export interface StringToStringOrNumberMap {
    [key: string]: string | number;
}
export declare type DomAttributeMap = StringToStringOrNumberMap;
export declare type CssStyleMap = StringToStringOrNumberMap;
export declare function newSvg(className: string, attributes: DomAttributeMap, css?: CssStyleMap): SVGSVGElement;
export declare function newG(className: string, attributes?: DomAttributeMap, css?: CssStyleMap): SVGGElement;
export declare function newClipPath(id: string): SVGClipPathElement;
export declare function newForeignObject(attributes: DomAttributeMap, className?: string, css?: CssStyleMap): SVGForeignObjectElement;
export declare function newA(className: string): SVGAElement;
export declare function newRect(attributes: DomAttributeMap, className?: string, css?: CssStyleMap): SVGRectElement;
export declare function newLine(attributes: DomAttributeMap, className?: string): SVGLineElement;
export declare function newTitle(text: string): SVGTitleElement;
export declare function newTextEl(text: string, attributes?: DomAttributeMap, css?: CssStyleMap): SVGTextElement;
export declare function newPath(d: string): SVGPathElement;
/**
 * Measure the width of a SVGTextElement in px
 * @param  {SVGTextElement} textNode
 * @param  {boolean=false} skipClone - do not clone `textNode` and use original
 * @returns number
 */
export declare function getNodeTextWidth(textNode: SVGTextElement, skipClone?: boolean): number;