apollo-client-config-data/src/main/java/com/ctrip/framework/apollo/config/data/extension/webclient/ApolloWebClientHttpClient.java/ApolloWebClientHttpClient/doGet
class ApolloWebClientHttpClient:  @Override
  public <T> HttpResponse<T> doGet(HttpRequest httpRequest, Type responseType)
      throws ApolloConfigException {
    return this.doGetInternal(httpRequest, responseType);
  }