apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java/RemoteConfigRepository/transformApolloConfigToProperties
class RemoteConfigRepository:  private Properties transformApolloConfigToProperties(ApolloConfig apolloConfig) {
    Properties result = propertiesFactory.getPropertiesInstance();
    result.putAll(apolloConfig.getConfigurations());
    return result;
  }