docs: public static Map<Integer,AdvancedExternalizer<?>> moduleExternalizers() {
        Map<Integer,AdvancedExternalizer<?>> externalizerMap = new HashMap<>();
        externalizerMap.put(ExternalizerIds.CHUNK_CACHE_KEY, new ChunkCacheKey.Externalizer());
        externalizerMap.put(ExternalizerIds.FILE_CACHE_KEY, new FileCacheKey.Externalizer());
        externalizerMap.put(ExternalizerIds.FILE_LIST_CACHE_KEY, new FileListCacheKey.Externalizer());
        externalizerMap.put(ExternalizerIds.FILE_METADATA, new FileMetadata.Externalizer());
        externalizerMap.put(ExternalizerIds.FILE_READLOCK_KEY, new FileReadLockKey.Externalizer());
        externalizerMap.put(ExternalizerIds.FILE_LIST_CACHE_VALUE, new FileListCacheValue.Externalizer());
        return externalizerMap;
     }