class Sass::Plugin::StalenessChecker

def initialize(options)
  @dependencies = self.class.dependencies_cache
  # Entries in the following instance-level caches are never explicitly expired.
  # Instead they are supposed to automaticaly go out of scope when a series of staleness checks
  # (this instance of StalenessChecker was created for) is finished.
  @mtimes, @dependencies_stale, @parse_trees = {}, {}, {}
  @options = Sass::Engine.normalize_options(options)
end