Константа maxWindowBits
Максимальное значение для ZLibCodec.windowBits, ZLibEncoder.windowBits и ZLibDecoder.windowBits.
Реализация
static const int maxWindowBits = 15;
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Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-io/ZLibOption/maxWindowBits-constant.html
