apollo-client-config-data/src/main/java/com/ctrip/framework/apollo/config/data/importer/ApolloConfigDataLoaderInitializer.java/ApolloConfigDataLoaderInitializer/ApolloConfigDataLoaderInitializer
class ApolloConfigDataLoaderInitializer:  public ApolloConfigDataLoaderInitializer(Log log,
      Binder binder, BindHandler bindHandler,
      ConfigurableBootstrapContext bootstrapContext) {
    this.log = log;
    this.binder = binder;
    this.bindHandler = bindHandler;
    this.bootstrapContext = bootstrapContext;
  }