@Override
	public DomainFolder createFolder(String name) throws InvalidNameException, IOException {
		throw new ReadOnlyException("linked folder is read only");
	}
Get the true file within this linked folder.
@param name file name
@return file or null if not found or error occurs
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/LinkedGhidraSubFolder.java