code: public static ConfigParams mergeConfigs(ConfigParams... configs) {
  		StringValueMap map = StringValueMap.fromMaps(configs);
  		return new ConfigParams(map);
  	}
docs: Merges two or more ConfigParams into one. The following ConfigParams override
  previously defined parameters.
  
  @param configs a list of ConfigParams objects to be merged.
  @return a new ConfigParams object.
  
  @see StringValueMap#fromMaps(Map...)