docs: public static SnsToken oauth2ComponentRefreshToken(String appid,String refresh_token,String component_appid,String component_access_token){
  		HttpUriRequest httpUriRequest = RequestBuilder.post()
  				.setUri(BASE_URI + "/sns/oauth2/component/refresh_token")
  				.addParameter("appid", appid)
  				.addParameter("refresh_token", refresh_token)
  				.addParameter("grant_type", "refresh_token")
  				.addParameter("component_appid", component_appid)
  				.addParameter("component_access_token", component_access_token)
  				.build();
  		return LocalHttpClient.executeJsonResult(httpUriRequest,SnsToken.class);
  	}