defaultImpl, known name                              -> Click[x=3]
defaultImpl, unknown name 'swipe'                    -> Unknown[]
defaultImpl, class-name attack                       -> Unknown[]
defaultImpl, discriminator missing                   -> Unknown[]
FAIL_ON_INVALID_SUBTYPE off, unknown name            -> null
FAIL_ON_INVALID_SUBTYPE off, missing discriminator   -> null
default, unknown name                                -> InvalidTypeIdException
