public void witnessDataTypeId(int dataTypeId) {
		if (!dataTypesSeen.contains(dataTypeId)) {
			newDataTypes.add(dataTypeId);
		}
	}
Method to capture data/item type IDs that have not been seen before in development.
@param dataTypeId The data/item type ID witnessed.
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/PdbReaderMetrics.java