private void parseNames(String packedNames) {
		ArrayList<String> nameList = new ArrayList<String>();
		StringTokenizer st = new StringTokenizer(packedNames, NAME_SEPARATOR);
		while (st.hasMoreElements()) {
			nameList.add(st.nextToken());
		}
		keyName = nameList.remove(0);
		fieldNames = new String[nameList.size()];
		nameList.toArray(fieldNames);
	}
Parse the packed list of data Field names.
The fieldNames array is initialized with the individual Field names.
@param packedNames packed name list produced by the getPackedFieldNames() method.
Ghidra/Framework/DB/src/main/java/db/Schema.java