The code worked for the examples the OP gave as well. They weren’t talking just about UML graphs, but about automated tools to turn those graphs into code. And

The code worked for the examples the OP gave as well. They weren’t talking just about UML graphs, but about automated tools to turn those graphs into code. And in the case of low code/no code, those produced working prototypes as well. And you could in most cases export them to raw code.