createConnectionProxyStream - multiple declarations

ConnectionProxyStream createConnectionProxyStream(Stream, ConnectionStream) (
  Stream stream,
  ConnectionStream connection_stream
)
if (isStream!Stream && isConnectionStream!ConnectionStream);

ConnectionProxyStream createConnectionProxyStream(InputStream, OutputStream, ConnectionStream) (
  InputStream input,
  OutputStream output,
  ConnectionStream connection_stream
)
if (isInputStream!InputStream && isOutputStream!OutputStream && isConnectionStream!ConnectionStream);