Flash Player 6.
myClass
implementsinterface01
[,interface02
, ...]
Note: To use this keyword, you must specify ActionScript 2 and Flash Player 6 or Flash Player 7 in the Flash tab of your FLA file's Publish Settings dialog box. This keyword is supported only when used in external script files, not in scripts written in the Actions panel.
; defines a class that must supply implementations for all the methods defined in the interfaces being implemented.