```ruby
module Twilio
  module REST
    class Accounts < ListResource; end

    class Account < InstanceResource
      def initialize(path, client, params={})
        super path, client, params
        resource :sandbox, :available_phone_numbers, :incoming_phone_numbers,
          :calls, :outgoing_caller_ids, :conferences, :sms, :recordings,
          :transcriptions, :notifications, :applications, :connect_apps,
          :authorized_connect_apps, :queues, :usage, :messages, :media, :sip,
          :tokens, :addresses
      end
    end
  end
end
```

Add missing /Keys mount to Account
user
```ruby
module Twilio
  module REST
    class Accounts < ListResource; end

    class Account < InstanceResource
      def initialize(path, client, params={})
        super path, client, params
        resource :sandbox, :available_phone_numbers, :incoming_phone_numbers,
          :calls, :outgoing_caller_ids, :conferences, :sms, :recordings,
          :transcriptions, :notifications, :applications, :connect_apps,
          :authorized_connect_apps, :queues, :usage, :messages, :media, :sip,
          :tokens, :addresses, :keys
      end
    end
  end
end
```
assistant