apollo-client-config-data/src/main/java/com/ctrip/framework/apollo/config/data/internals/PureApolloConfigFactory.java/PureApolloConfigFactory/createRepositoryConfig
class PureApolloConfigFactory:  @Override
  protected Config createRepositoryConfig(String namespace, ConfigRepository configRepository) {
    return new PureApolloConfig(namespace, configRepository);
  }