SVGFEBlendElement: {
    SVG_FEBLEND_MODE_COLOR: number;
    SVG_FEBLEND_MODE_COLOR_BURN: number;
    SVG_FEBLEND_MODE_COLOR_DODGE: number;
    SVG_FEBLEND_MODE_DARKEN: number;
    SVG_FEBLEND_MODE_DIFFERENCE: number;
    SVG_FEBLEND_MODE_EXCLUSION: number;
    SVG_FEBLEND_MODE_HARD_LIGHT: number;
    SVG_FEBLEND_MODE_HUE: number;
    SVG_FEBLEND_MODE_LIGHTEN: number;
    SVG_FEBLEND_MODE_LUMINOSITY: number;
    SVG_FEBLEND_MODE_MULTIPLY: number;
    SVG_FEBLEND_MODE_NORMAL: number;
    SVG_FEBLEND_MODE_OVERLAY: number;
    SVG_FEBLEND_MODE_SATURATION: number;
    SVG_FEBLEND_MODE_SCREEN: number;
    SVG_FEBLEND_MODE_SOFT_LIGHT: number;
    SVG_FEBLEND_MODE_UNKNOWN: number;
    prototype: SVGFEBlendElement;
    new (): SVGFEBlendElement;
}