anchor.diff:           is_version_vulcan/1,
            is_enterprise/0,
            is_ldap_enabled/0,
  +         supported_compat_version/0,
            min_supported_compat_version/0,
            effective_cluster_compat_version/0,
            effective_cluster_compat_version_for/1,
  
positive.code:          have_non_dcp_buckets/1]).
  
  %% NOTE: this is rpc:call-ed by mb_master
  -export([supported_compat_version/0, mb_master_advertised_version/0]).
  
  -export([pre_force_compat_version/0, post_force_compat_version/0]).
  
  
negative.code: get_compat_version(Config) ->
      ns_config:search(Config, cluster_compat_version, undefined).
  
  supported_compat_version() ->
      ?LATEST_VERSION_NUM.
  
  min_supported_compat_version() ->
      ?VERSION_30.
  
  %% NOTE: this is rpc:call-ed by mb_master
  %%
  %% I.e. we want later version to be able to take over mastership even
  %% without requiring compat mode upgrade
  