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: features_helper.rb
    path of file: ./repos/chatwoot/enterprise/app/helpers/super_admin
    
    the code of the file until where you have to start completion: module SuperAdmin::Featu
    
  def self.plan_details
    plan = ChatwootHub.pricing_plan
    quantity = ChatwootHub.pricing_plan_quantity

    if plan == 'premium'
      "You are currently on the <span class='font-semibold'>#{plan}</span> plan with <span class='font-semibold'>#{quantity} agents</span>."
    else
      "You are currently on the <span class='font-semibold'>#{plan}</span> edition plan."
    end