packageRefExplanation property

Implementation

final packageRefExplanation = '''
Package reference can be one of:
- directory path pointing to a package on disk
(e.g. /path/to/package)
- any package from pub
(e.g. pub://package_name/version)
- git repository with optional branch/tag/commit
(e.g. git://https://github.com/user/repo or git://https://github.com/user/repo:branch)
(e.g. git://git@github.com:user/repo or git://git@github.com:user/repo:tag)
''';