@Override
	public void addFileSystemListener(FileSystemListener listener) {
		if (eventManager != null) {
			eventManager.add(listener);
		}
	}
Notification that FileID has been changed within propertyFile
@param propertyFile
@param oldFileId
@throws IOException
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/local/LocalFileSystem.java