export declare class XmlSpanStyles {
    static fontName: string;
    static fontSize: string;
    static color: string;
    static bold: string;
    static italic: string;
    static underline: string;
    static penColor: string;
    static penWidth: string;
    static tracking: string;
    static leading: string;
    static sub: string;
    static sup: string;
    static allCaps: string;
    static smallCaps: string;
    static fontFamily: string;
    static fontStyle: string;
    static wordSpacingScale: string;
    static supSize: string;
    static supPosition: string;
    static subSize: string;
    static subPosition: string;
    static digitType: string;
    static openType: string;
    static baselineShift: string;
    static inkName: string;
    static inkSolidity: string;
    static inkColor: string;
    static penInkName: string;
    static penInkSolidity: string;
    static penInkColor: string;
}