# File lib/doorkeeper/models/access_token_mixin.rb, line 62
      def scopes_match?(token_scopes, param_scopes, app_scopes)
        (!token_scopes.present? && !param_scopes.present?) ||
          Doorkeeper::OAuth::Helpers::ScopeChecker.match?(
            token_scopes.to_s,
            param_scopes,
            app_scopes
          )
      end