SVGFECompositeElement: {
    prototype: SVGFECompositeElement;
    SVG_FECOMPOSITE_OPERATOR_ARITHMETIC: 6;
    SVG_FECOMPOSITE_OPERATOR_ATOP: 4;
    SVG_FECOMPOSITE_OPERATOR_IN: 2;
    SVG_FECOMPOSITE_OPERATOR_OUT: 3;
    SVG_FECOMPOSITE_OPERATOR_OVER: 1;
    SVG_FECOMPOSITE_OPERATOR_UNKNOWN: 0;
    SVG_FECOMPOSITE_OPERATOR_XOR: 5;
    new (): SVGFECompositeElement;
}