How to dump null type with blank string ""

[sam]

Hi, I want to dump null type with blank string "" instead of a "null" string. What should I do?

ideal

```

path:

```

get value when dump

```

path: null

```

[sam]

I found the reason why it output the "null" value because of this:

```java

org.yaml.snakeyaml.representer.SafeRepresenter

protected class RepresentNull implements Represent {

public Node representData(Object data) {
return representScalar(Tag.NULL, "null");
}
}

```

I think I can get the value by override this, is there a better way to solve it or config it by DumperOptions?

```

public Node representData(Object data) {
return representScalar(Tag.NULL, "");
}

```