anchor.diff:      type: selector
       configurable: true
       default: Pizza
  +    freeze_on_deploy: true
       option_templates:
         - name: pizza_option
           select_value: Pizza
  
positive.code:       type: network_address_list
        configurable: true
        default: '1.1.1.1,example.com,foo.bar.example.com'
      - name: example_network_address
        type: network_address
        configurable: true
  
negative.code:     dynamic_ip: 0
      max_in_flight: 1
      single_az_only: true
      default_internet_connected: false
      instance_definition:
        name: instances
        configurable: true
        default: 1
        constraints:
  