code: public static void addSelfConfigs(String configAbsoluteClassPath, OneProperties configsObj) {
          if (configAbsoluteClassPath == null) {
              return;
          }
          if (configsObj == null) {
              OneProperties configs = otherConfigs.get(configAbsoluteClassPath);
              if (configs == null) {
                  configsObj = new OneProperties();
              } else {
                  configsObj = configs;
              }
          }
          configsObj.initConfigs(configAbsoluteClassPath);
          otherConfigs.put(configAbsoluteClassPath, configsObj);
      }
docs: <p>Add self define configs file.</p>
  Can use self configs path or self class extends {@link OneProperties}.
  
  @param configAbsoluteClassPath self configs absolute class path.
  This path also is a config file key string.
  Can't be null, if null add nothing.
  @param configsObj              self class extends {@link OneProperties}.
  Can be null, if null means not use self class.
  @see OneProperties