code: @Override
      public Object readMap(AbstractHessianInput in)
          throws IOException
      {
          Object value = null;
  
          while (!in.isEnd()) {
              String key = in.readString();
  
              if (key.equals("value"))
                  value = readStreamValue(in);
              else
                  in.readObject();
          }
  
          in.readMapEnd();
  
          return value;
      }
docs: Reads the Hessian 1.0 style map.