dart-sass/analysis/README.md

This package provides a shared set of analysis options for use by Sass team packages. To use it, add it as a Git dependency to your pubspec.yaml:

dev_dependencies:
  sass_analysis:
    git: {url: git://github.com/sass/dart-sass.git, path: analysis}

and include it in your analysis_options.yaml:

include: package:sass_analysis/analysis_options.yaml