@Override public String[] getReferencedObjectDescriptions() {
    return new String[] {
      BaseMessages.getString( PKG, "BaseStreamStepMeta.ReferencedObject.SubTrans.Description" ) };
  }
@Test
  public void testReferencedObjectHasDescription() {
    BaseStreamStepMeta meta = new StuffStreamMeta();
    assertEquals( 1, meta.getReferencedObjectDescriptions().length );
    assertTrue( meta.getReferencedObjectDescriptions()[ 0 ] != null );
    testRoundTrip( meta );
  }