Константа MILLISECONDS_PER_MINUTE
int MILLISECONDS_PER_MINUTE = MILLISECONDS_PER_SECOND * SECONDS_PER_MINUTE
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-core/Duration/MILLISECONDS_PER_MINUTE-constant.html
