# File lib/sass/plugin/compiler.rb, line 86
    def on_updating_stylesheet_with_deprecation_warning(&block)
      Sass::Util.sass_warn("Sass::Compiler#on_updating_stylesheet callback is deprecated and will be removed in a future release. Use Sass::Compiler#on_updated_stylesheet instead, which is run after stylesheet compilation.")
      on_updating_stylesheet_without_deprecation_warning(&block)
    end