Постоянная minLevel

int const minLevel

Минимальное значение для ZLibCodec.level и ZLibEncoder.level.

Реализация

static const int minLevel = -1;

© 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/ZLibOption/minLevel-constant.html