How to expose classes from 'import' on a wrapper?

Hello.

I'm wrting a wrapper on top of a library that uses several custom built classes that need to be exposed to the B4A app.

So far what I did is just copy their definitions at wrapper level and the B4A app compiles OK but fails to execute, throwing the stack below:

Code:

  B4A version: 6.00
Parsing code.    (0.00s)
Compiling code.    (0.73s)
Compiling layouts code.    (0.17s)
Organizing libraries.    (0.00s)
Generating R file.    (0.37s)
Compiling debugger engine code.    (1.64s)...  

How to expose classes from 'import' on a wrapper?

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