dart:fuchsia,::,_environment
dart:fuchsia,::,_outgoingServices
dart:io,_EmbedderConfig,_mayExit
dart:io,_Namespace,_setupNamespace
dart:mozart.internal,::,_context
dart:mozart.internal,::,_viewContainer
dart:zircon,GetSizeResult,GetSizeResult.
dart:zircon,Handle,Handle._
dart:zircon,HandlePairResult,HandlePairResult.
dart:zircon,HandleResult,HandleResult.
dart:zircon,HandleWaiter,HandleWaiter._
dart:zircon,ReadResult,ReadResult.
dart:zircon,WriteResult,WriteResult.