public static @NotNull Int4FileAttribute int4FileAttributes(@NotNull FSRecordsImpl vfs,
                                                              @NotNull String storageName,
                                                              int version) throws IOException {
    MappedFileStorageHelper helper = openHelperAndVerifyVersions(
      vfs,
      storageName,
      version,
      Int4FileAttribute.ROW_SIZE
    );

    Int4FileAttribute attribute = new Int4FileAttribute(helper);
    vfs.addCloseable(attribute);
    vfs.addFileIdIndexedStorage(attribute);
    return attribute;
  }
public static @NotNull Int4FileAttribute int4FileAttributes(@NotNull FSRecordsImpl vfs,
                                                              @NotNull String storageName,
                                                              int version)