code: void exportToMapProperty(Object target, String property, Object result) {
          @SuppressWarnings("unchecked")
          Map<Object, Object> map = (Map<Object, Object>) target;
          if (result == null) {
              map.remove(property);
          } else {
              map.put(property, result);
          }
      }
docs: Export the result into a Map.
  
  @param target   the Map to export into
  @param property the key to export into
  @param result   the value to export