This document shows which dart:io APIs have been implemented so far in node_io.
-[x] BytesBuilder -[ ] CompressionOptions -[ ] ConnectionTask -[x] ContentType -[x] Cookie -[x] Datagram -[ ] DetachedSocket -[x] Directory -[x] File -[ ] FileLock (not supported by Node.js) -[x] FileMode -[x] FileStat -[ ] FileSystemCreateEvent -[ ] FileSystemDeleteEvent -[x] FileSystemEntity -[x] FileSystemEntityType -[ ] FileSystemEvent -[ ] FileSystemModifyEvent -[ ] FileSystemMoveEvent -[ ] GZipCodec -[x] HeaderValue -[ ] HttpClient -[ ] HttpClientBasicCredentials -[ ] HttpClientCredentials -[ ] HttpClientDigestCredentials -[ ] HttpClientRequest -[ ] HttpClientResponse -[x] HttpConnectionInfo -[ ] HttpConnectionsInfo -[x] HttpDate -[x] HttpHeaders -[ ] HttpOverrides -[x] HttpRequest -[x] HttpResponse -[x] HttpServer -[ ] HttpSession -[x] HttpStatus -[x] InternetAddress -[x] InternetAddressType -[ ] IOOverrides -[x] IOSink -[x] Link -[x] NetworkInterface -[x] OSError -[x] Platform -[ ] Process -[ ] ProcessInfo -[ ] ProcessResult -[ ] ProcessSignal -[ ] ProcessStartMode -[x] RandomAccessFile -[ ] RawDatagramSocket -[ ] RawSecureServerSocket -[ ] RawSecureSocket -[ ] RawServerSocket -[ ] RawSocket -[ ] RawSocketEvent -[ ] RawSocketOption -[ ] RawSynchronousSocket -[ ] RawZLibFilter -[ ] RedirectInfo -[ ] SecureServerSocket -[ ] SecureSocket -[ ] SecurityContext -[ ] ServerSocket -[ ] Socket -[ ] SocketDirection -[ ] SocketOption -[ ] Stdin -[ ] StdioType -[ ] Stdout -[ ] SystemEncoding -[ ] WebSocket -[ ] WebSocketStatus -[ ] WebSocketTransformer -[ ] X509Certificate -[ ] ZLibCodec -[ ] ZLibDecoder -[ ] ZLibEncoder -[ ] ZLibOption
-[x] exitCode -[x] pid -[ ] stderr -[ ] stdin -[ ] stdout
-[x] exit -[ ] sleep -[ ] stdioType
-[ ] BadCertificateCallback
-[ ] CertificateException -[ ] FileSystemException -[ ] HandshakeException -[x] HttpException -[ ] IOException -[ ] ProcessException -[ ] RedirectException -[ ] SignalException -[ ] SocketException -[ ] StdinException -[ ] StdoutException -[ ] TlsException -[ ] WebSocketException