presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/backup/HttpBackupModule.java/HttpBackupModule/configure
class HttpBackupModule:    @Override
    public void configure(Binder binder)
    {
        configBinder(binder).bindConfig(HttpBackupConfig.class);
        binder.bind(BackupStore.class).to(HttpBackupStore.class).in(Scopes.SINGLETON);

        httpClientBinder(binder).bindHttpClient("backup", ForHttpBackup.class);
    }