A cancelable connection attempt.
Returned by the startConnect methods on client-side socket types S, ConnectionTask<S> allows cancelling an attempt to connect to a host.
Future that completes with value that S.connect() would return unless cancel is called on this ConnectionTask.
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-io/ConnectionTask-class.html