Is there any utility, given an `actual` function as IrSimpleFunction, to retrieve the original `expe...

# compiler

[natario1]

Is there any utility, given an actual function as IrSimpleFunction, to retrieve the original expect declaration? I’m interested in getting the default value for its `IrValueParameter`s.
If there’s nothing built-in, I’d appreciate any clue on how to go with this task!