public void writeLongHeaderField(int headerRelativeOffset,
                                   long headerFieldValue) throws IOException {
    checkHeaderFieldOffset(headerRelativeOffset);
    Page page = storage.pageByOffset(headerRelativeOffset);
    LONG_HANDLE.setVolatile(page.rawPageBuffer(), headerRelativeOffset, headerFieldValue);
  }
public void writeLongHeaderField(int headerRelativeOffset,
                                   long headerFieldValue)