apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfig.java/AbstractConfig/AbstractConfig
class AbstractConfig:  public AbstractConfig() {
    m_configUtil = ApolloInjector.getInstance(ConfigUtil.class);
    m_configVersion = new AtomicLong();
    m_arrayCache = Maps.newConcurrentMap();
    allCaches = Lists.newArrayList();
    propertiesFactory = ApolloInjector.getInstance(PropertiesFactory.class);
  }