public static @NotNull MappedFileStorageHelper openHelperAndVerifyVersions(@NotNull FSRecordsImpl vfs,
                                                                             @NotNull String storageName,
                                                                             int storageFormatVersion,
                                                                             int bytesPerRow) throws IOException {
    return openHelperAndVerifyVersions(vfs, storageName, storageFormatVersion, bytesPerRow, true);
  }
public static @NotNull MappedFileStorageHelper openHelperAndVerifyVersions(@NotNull FSRecordsImpl vfs,
                                                                             @NotNull String storageName,
                                                                             int storageFormatVersion,
                                                                             int bytesPerRow)