@Override
	public boolean isEmpty() {
		synchronized (fileSystem) {
			try {
				GhidraFolderData folderData = getFolderData();
				return folderData.isEmpty();
			}
			catch (FileNotFoundException e) {
				// TODO: what should we return if folder not found or error occurs?
				// True is returned to allow this method to be used to avoid continued access.
				return true;
			}
		}
	}
Refresh folder data - used for testing only
@throws IOException if an IO error occurs
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/GhidraFolder.java