@Override
	public List<GFile> getListing(GFile directory) throws IOException {
		return fsIndexHelper.getListing(directory);
	}
Helper function to create byte provider for CaRT payload content that is
decompressed and decrypted.

@param payloadFSRL The payload {@link FSRL} of the file system.
@param monitor The task monitor for this system handling
@return A {@link ByteProvider} for the payload content
@throws CancelledException If the user cancels via the monitor
@throws IOException If the file fails to read or CaRT fails
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/cart/CartFileSystem.java