tree 6862387b2dd82a8aff9845e12ef8440fdce0f669
parent 89873d1970e39d72ccc463988f38ed7a880e3a7e
author Michael R Fairhurst <mfairhurst@google.com> 1615368288 -0800
committer GitHub <noreply@github.com> 1615368288 -0800
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Remove unneeded dart:async import (#96)

Since Dart 2.1, Future and Stream have been exported from dart:core.

Alternatively, if for some reason this package needs to continue to
support Dart 2.0, an exception can be made for this internally.