@Override
	public boolean hasPrevious() {
		throw new UnsupportedOperationException();
	}
Construct a constrained/filtered record iterator.
@param it source record iterator
@param recordPredicateAndTranslate function which enables both filtering of records
(null returned if record should be skipped) and the ability to translate the record
to an alternate table/record schema.
Ghidra/Framework/DB/src/main/java/db/ConstrainedForwardRecordIterator.java