code: static Map<String, String> convertConfigToAttribute(String configPath, ChildData childData,
                                                          boolean removeType) {
          String attribute = childData.getPath().substring(configPath.length() + 1);
          //If event type is CHILD_REMOVED, attribute should return to default value
          return Collections.singletonMap(attribute, removeType ? RpcConfigs.getStringValue(attribute)
              : StringSerializer.decode(childData.getData()));
      }
docs: Convert child data to attribute.
  
  @param configPath the config path
  @param childData  the child data
  @param removeType is remove type
  @return the attribute