# File lib/googleauth/user_authorizer.rb, line 100
      def get_authorization_url options = {}
        scope = options[:scope] || @scope
        credentials = UserRefreshCredentials.new(
          client_id:     @client_id.id,
          client_secret: @client_id.secret,
          scope:         scope
        )
        redirect_uri = redirect_uri_for options[:base_url]
        url = credentials.authorization_uri(access_type:            "offline",
                                            redirect_uri:           redirect_uri,
                                            approval_prompt:        "force",
                                            state:                  options[:state],
                                            include_granted_scopes: true,
                                            login_hint:             options[:login_hint])
        url.to_s
      end