ConstructorNEWPropertiesLengthmediaTextFunctionsappendMediumdeleteMediumItemMediaList (open)SyntaxLOADLIB "wh::filetypes/css.whlib"; OBJECTTYPE MediaListConstructorMACRO NEW(OBJECT parentrule)PropertiesPROPERTY LengthPROPERTY mediaTextFunctionsMACRO appendMedium(STRING medium)MACRO deleteMedium(STRING medium)OBJECT FUNCTION Item(INTEGER idx)