Associating a schema with a subset of a file

[kujon]

Hello Folks 👋

I've got a YAML that looks something like this:

stuff:
 - type: foo
   properties:
     hello: iamastring
 - type: bar
   properties:
     haha: 42

The thing is that the shape of properties changes depending on the type. I am aware of # yaml-language-server directive, but that changes the schema for the whole file, rather than a subset of it. I would like to do something similar to kustomize's $ref comments, where I can tell it to treat part of the file according to one schema, and another part according to another schema. Is this possible? If yes, is this the extension's feature, or the language server feature?

Context: I'm writing an extension myself for dealing with this type of yaml, and I would like to stand on the shoulders of giants (a.k.a. you), rather than create every completions provider, etc, myself.