code: package epmc.param.value.dag;
  
  import epmc.messages.Message;
  
  public final class MessagesParamDag {
      /** Base name of resource bundle for the messages. */
      private final static String MESSAGES_PARAM_GRAPH_SOLVER = "MessagesParamDag";
      public final static Message PARAM_DAG_NUM_NODES = newMessage().setIdentifier("param-dag-num-nodes").build();
  
      /**
       * Creates a new message with given identifier with this resource bundle.
       * The parameter may not be {@code null}.
       * 
       * @param message identifier of message to be created
       * @return message created
       */
      private static Message.Builder newMessage() {
          return new Message.Builder().setBundle(MESSAGES_PARAM_GRAPH_SOLVER);
      }
  
      /**
       * Private constructor to prevent instantiation of this class.
       */
      private MessagesParamDag() {
      }
  }
  