int getDefaultCollationStrength() {
    return getDefaultCollationStrength( Locale.getDefault() );
  }
@Test
  public void testGetDefaultStrength() {
    SortRowsMeta srm = new SortRowsMeta();
    int usStrength = srm.getDefaultCollationStrength( Locale.US );
    assertEquals( Collator.TERTIARY, usStrength );
    assertEquals( Collator.IDENTICAL, srm.getDefaultCollationStrength( null ) );
  }