boolean isEmpty() {
		try {
			refresh(false, false, null); // visited will be true upon return
			return folderList.isEmpty() && fileDataCache.isEmpty();
		}
		catch (IOException 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;
		}
	}
Determine if this folder contains any sub-folders or domain files.
@return true if this folder is empty.
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/GhidraFolderData.java