anchor.diff:          '';
           type = types.str;
         };
  -      
  +
         withHadoop = mkOption {
   	description = "Add the HADOOP_HOME to the slave.";
   	default = false;
   	type = types.bool;
         };
  -      
  +
         workDir = mkOption {
           description = "The Mesos work directory.";
           default = "/var/lib/mesos/slave";
           type = types.str;
         };
  -      
  +
         extraCmdLineOptions = mkOption {
           description = ''
   	  Extra command line options for Mesos Slave.
  -	  
  +
   	  See https://mesos.apache.org/documentation/latest/configuration/
   	'';
           default = [ "" ];
           type = types.listOf types.string;
           example = [ "--gc_delay=3days" ];
         };
  -      
  +
         logLevel = mkOption {
           description = ''
             The logging level used. Possible values:
  
positive.code:       '';
      };
    };
    
  }
negative.code: 
  let
    cfg = config.services.mesos.slave;
  
  in {
  
    options.services.mesos = {
  