You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: stage_presenter.rb
    path of file: ./repos/gitlabhq/app/presenters/analytics/cycle_analytics
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module Analytics
  module CycleAnalytics
    class StagePresenter < Gitlab::View::Presenter::Delegated
      def title
        extract_default_stage_attribute(:title) || name
      end

      def description
        extract_default_stage_attribute(:description) || ''
      end

      def legend
        ''
      end

      private

      def extract_default_stage_attribute(attribute)
        default_stage_attributes.dig(name.to_sym, attribute.to_sym)
      end

      def default_stage_attributes
        @default_stage_attributes ||= {
          issue: {
  
    
      def default_stage_attributes
        @default_stage_attributes ||= {
          issue: {
            title: s_('CycleAnalyticsStage|Issue'),
            description: _('Time before an issue gets scheduled')
          },
          plan: {
            title: s_('CycleAnalyticsStage|Plan'),
            description: _('Time before an issue starts implementation')
          },
          code: {
            title: s_('CycleAnalyticsStage|Code'),
            description: _('Time until first merge request')
          },
          test: {
            title: s_('CycleAnalyticsStage|Test'),
            description: _('Total test time for all commits/merges')
          },
          review: {
            title: s_('CycleAnalyticsStage|Review'),
            description: _('Time between merge request creation and merge/close')
          },
          staging: {
            title: s_('CycleAnalyticsStage|Staging'),
            description: _('From merge request merge until deploy to production')
          },
          production: {
            title: s_('CycleAnalyticsStage|Total'),
            description: _('From issue creation until deploy to production')
          }
        }.freeze
      end