apollo-client-config-data/src/main/java/com/ctrip/framework/apollo/config/data/extension/webclient/ApolloClientLongPollingExtensionInitializer.java/ApolloClientLongPollingExtensionInitializer/ApolloClientLongPollingExtensionInitializer
class ApolloClientLongPollingExtensionInitializer:  public ApolloClientLongPollingExtensionInitializer(Log log,
      ConfigurableBootstrapContext bootstrapContext) {
    this.log = log;
    this.bootstrapContext = bootstrapContext;
  }