Querying module and module file contents

[David Holmes]

Given an installed module, or a jmod module file, how can I query:

a) what types are exported by the module [file]
b) what types are contained in the module [file]

I want to validate that my module is getting everything packaged up 
correctly.

Also am I right in thinking that the set of types in a module is not 
declared in the module-info, but simply controlled by the -i option to 
jpkg? (The module-info only declares exported types, not contained types)

Thanks,
David