Available on flash
new(?text:String, ?elementFormat:ElementFormat, ?eventMirror:EventDispatcher, ?textRotation:TextRotation)
replaceText(beginIndex:Int, endIndex:Int, newText:String):Void
elementFormat:ElementFormat
eventMirror:EventDispatcher
read onlygroupElement:GroupElement
read onlyrawText:String
read onlytext:String
read onlytextBlock:TextBlock
read onlytextBlockBeginIndex:Int
textRotation:TextRotation
userData:Dynamic