private void findNext() {
		while (it.hasNext()) {
			CodeUnit cu = it.next();
			if (cu.getComment(commentType) != null) {
				nextCu = cu;
				break;
			}
		}
	}
@see ghidra.program.model.listing.CodeUnitIterator#next()
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/CommentTypeFilterIterator.java