@Override
	public String endSection(Marker marker) {
		if (marker == null) {
			return super.endSection(marker);
		} else if (marker instanceof VcfEntry) {
			// Ignore other markers (e.g. seqChanges)
			if (vcfEntries != null) vcfEntries.add((VcfEntry) marker);
			return super.endSection(marker);
		}
		return null;
	}