readonly attribute SVGAnimatedEnumeration method; 

readonly attribute SVGAnimatedEnumeration spacing; 

readonly attribute SVGAnimatedLength startOffset; 

const unsigned short TEXTPATH_METHODTYPE_ALIGN = 1; 

const unsigned short TEXTPATH_METHODTYPE_STRETCH = 2; 

const unsigned short TEXTPATH_METHODTYPE_UNKNOWN = 0; 

const unsigned short TEXTPATH_SPACINGTYPE_AUTO = 1; 

const unsigned short TEXTPATH_SPACINGTYPE_EXACT = 2; 

const unsigned short TEXTPATH_SPACINGTYPE_UNKNOWN = 0;