Language: Java
Label: vulnerable
CWE: CWE-502 \u2014 Deserialization of Untrusted Data
The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

Code:
	public void writeData(LPDataOutput output) throws IOException {
		super.writeData(output);
		output.writeCollection(content, (data, object) -> data.writeCollection(object.order,
				(IWriteListObject<ItemIdentifierStack>) LPDataOutput::writeItemIdentifierStack));
	}