@Override
  public boolean tryReturnRecordAt(boolean isAtSplitPoint, Long recordStart) {
    return tryReturnRecordAt(isAtSplitPoint, recordStart.longValue());
  }
@Test
  public void testTryReturnRecordSimpleDense() throws Exception {
    OffsetRangeTracker tracker = new OffsetRangeTracker(3, 6);
    assertTrue(tracker.tryReturnRecordAt(true, 3));
    assertTrue(tracker.tryReturnRecordAt(true, 4));
    assertTrue(tracker.tryReturnRecordAt(true, 5));
    assertFalse(tracker.tryReturnRecordAt(true, 6));
  }