public static RecordLayout recordLayoutForType(final byte recordSizeType) {
      return switch (recordSizeType) {
        case RECORD_SIZE_TYPE_SMALL -> ActualRecords.SmallRecord.INSTANCE;
        case RECORD_SIZE_TYPE_LARGE -> ActualRecords.LargeRecord.INSTANCE;
        default -> throw new IllegalArgumentException("recordSizeType(=" + recordSizeType + ") is unknown");
      };
    }
public static RecordLayout recordLayoutForType(final byte recordSizeType)