String[] getOldParameterNames() throws IOException {
		if (versionFile == null) {
			throw new IOException("Version file is closed");
		}
		String[] allNames = versionFile.getParameterNames();
		ArrayList<String> list = new ArrayList<String>();
		for (int i = 0; i < allNames.length; i++) {
			if (!allNames[i].startsWith(VERSION_PARM_PREFIX)) {
				list.add(allNames[i]);	
			}	
		}
		String[] names = new String[list.size()];
		list.toArray(names);
		return names;
	}
Returns a list of parameters defined within the original beffer file.
@throws IOException
Ghidra/Framework/DB/src/main/java/db/buffers/VersionFile.java