Logic that is shared between the front_end and analyzer packages.
An abstraction to allow working with files across multiple platforms.
A predictable state management library that helps implement the BLoC (Business Logic Component) design pattern.
Time zone database and time zone aware DateTime.
Tuple data structure
Flutter plugin for Google Analytics for Firebase, an app measurement solution that provides insight on app usage and user engagement on Android and iOS.
Versions and version constraints implementing pub's versioning policy. This is very similar to vanilla semver, with a few corner cases.
Support for working with Package Configuration files.
Bash-style filename globbing.