code: public ParamConfigBuilder startMethodsExtraParamConfig() {
          Iterator<MethodConfigBuilder> methodConfigBuilders = methodBuilders.values().iterator();
          ParamConfigBuilder[] builders = new ParamConfigBuilder[methodBuilders.size()];
          int i = 0;
          while(methodConfigBuilders.hasNext()){
              builders[i++] = methodConfigBuilders.next().startExtraParamConfig();
          }
          return new CompositeParamConfigBuilder(builders);
      }
docs: /* PARAMS SETTINGS METHODS