@since(version = 0.3.0)
interface stdin {
@since(version = 0.3.0)
get-stdin: func() -> stream<u8>;
}
@since(version = 0.3.0)
interface stdout {
@since(version = 0.3.0)
set-stdout: func(data: stream<u8>);
}
@since(version = 0.3.0)
interface stderr {
@since(version = 0.3.0)
set-stderr: func(data: stream<u8>);
}