Available on all platforms
BaseStream
new()
read onlyonCancel:Signal0
read onlyonComplete:Signal0
read onlyonData:Signal1<T>
read onlyonEnd:Signal1<T>
read onlyonError:Signal0
read onlyonGetData:Signal0
cancel():Void
complete():Void
data(d:T):Void
end(b:T):Void
error():Void
next():Void