Mine

class DataProviderEvents<SourceType> extends EventGroup {   var eventOne : Event< DataEvent<TypeOne> -> SourceType -> Void >;  var eventTwo : Event< DataEvent<TypeTwo> -> SourceType -> Void >;}class SomeDataProviderDispatcher{  var events : DataProviderEvents<SomeDataProviderDispatcher>;}class MyListener{  function onEventOne( d:DataEvent<TypeOne>, src:SomeDataProviderDispatcher );}