anchor.diff:          { assertion = cfg.remoteJmx -> cfg.jmxRolesFile != null;
             message = ''
               If you want JMX available remotely you need to set a password using
  -            `jmxRoles` or `jmxRolesFile` if using Cassandra older than v3.11.
  +            <literal>jmxRoles</literal> or <literal>jmxRolesFile</literal> if
  +            using Cassandra older than v3.11.
             '';
           }
         ];
  
positive.code:       description = ''
          Roles that are allowed to access the JMX (e.g. nodetool)
          BEWARE: The passwords will be stored world readable in the nix-store.
  
          Doesn't work in versions older than 3.11 because they don't like that
          it's world readable.
  
negative.code:       example = literalExample "null";
        description = ''
            Set the interval how often incremental repairs are run, i.e.
            <literal>nodetool repair<literal> is executed. See
            https://cassandra.apache.org/doc/latest/operating/repair.html
            for more information.
  
            Set to <literal>null</literal> to disable incremental repairs.
          '';
      };
      incrementalRepairOptions = mkOption {
  