class LicenseFinder::Decisions

def self.restore(persisted, result = new)
  return result unless persisted
  # From https://makandracards.com/makandra/465149-ruby-the-yaml-safe_load-method-hides-some-pitfalls
  actions = if Gem::Version.new(Psych::VERSION) >= Gem::Version.new('3.1.0.pre1')
              YAML.safe_load(persisted, permitted_classes: [Symbol, Time], aliases: true)
            else
              YAML.safe_load(persisted, [Symbol, Time], [], true)
            end
  list_of_actions = (actions || []).map(&:first)
  if (list_of_actions & %i[whitelist blacklist]).any?
    raise 'The decisions file seems to have whitelist/blacklist keys which are deprecated. Please replace them with permit/restrict respectively and try again! More info - https://github.com/pivotal/LicenseFinder/commit/a40b22fda11b3a0efbb3c0a021381534bc998dd9'
  end
  (actions || []).each do |action, *args|
    result.send(action, *args)
  end
  result
end