Custom serialising of objects with inheritance about json-io HOT 2 CLOSED

And, only the "lowest" subclass (that is, the final child of the inheritance farthest away from Object) that has a custom serialiser, is serialised. It is as though .toJson() and .toObjects() starts at the custom serialiser of the "lowest" subclass that has a custom serialiser, does that read/write, and then doesn't serialise the rest of the object.
So therefore, does the customer serialiser for the lowest subclass need to be responsible for serialising the entire object?

from json-io.

The custom reader/writer for a class, is as you asked at the end, it is expected to handle the whole class, not a "slice."

from json-io.