anchor.diff:  space_file_popularity_configuration_model() ->
       #{
           %% If true, collecting file-popularity mechanism in the space is enabled
  -        enabled => boolean,
  +        enabled => {boolean, optional},
           %% Example `curl` command that can be executed to query the
           %% file-popularity view in the space.
           exampleQuery => {string, optional},
  
positive.code:     }.
  
  %%--------------------------------------------------------------------
  %% @doc The zone deployment configuration.
  %% @end
  %%--------------------------------------------------------------------
  -spec zone_configuration_model() -> maps:map().
  
negative.code:     }.
  
  %%--------------------------------------------------------------------
  %% @doc The Onezone custom configuration.
  %% @end
  %%--------------------------------------------------------------------
  -spec zone_configuration_onezone_model() -> maps:map().
  zone_configuration_onezone_model() ->
      #{
          %% The domain of Onezone cluster.
          domainName => {string, optional},
          %% The Onezone cluster name.
          name => {string, optional},
          %% If enabled the zone will use Let's Encrypt service to obtain SSL
          %% certificates. Otherwise certificates must be manually provided. By
          %% enabling this option you agree to the Let's Encrypt Subscriber
          %% Agreement.
          letsEncryptEnabled => {boolean, optional},
          %% If true, DNS check will verify that control of DNS zone for
          %% Onezone's domain was delegated to the DNS server built into
          %% Onezone service.
          builtInDnsServer => {boolean, optional},
          policies => {zone_policies_model(), optional}
      }.
  
  