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