new(o:Output)
write(s:SWF):Void
writeEnd():Void
writeFont(id:Int, data:FontData):Void
writeFontInfo(id:Int, data:FontInfoData):Void
writeHeader(h:SWFHeader):Void
writeMorphShape(id:Int, data:MorphShapeData):Void
writeShape(id:Int, data:ShapeData):Void
writeTag(t:SWFTag):Void