constructor
PerformanceMark.internal_(Source
@Deprecated("Internal Use Only")
PerformanceMark.internal_() : super.internal_();© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-html/PerformanceMark/PerformanceMark.internal_.html