CHOSEN for fixation: TypeVariable(T) --- READY_FOR_FIXATION_LOWER
     >: TypeVariable(VR)
     >: kotlin/Int
     = kotlin/Int (inferred during fixation)
    FIXED TO: kotlin/Int
TypeVariable(VR) --- READY_FOR_FIXATION_UPPER
     <: kotlin/Int?
     <: kotlin/Int
     = kotlin/Int (inferred during fixation)
********************************
CHOSEN for fixation: TypeVariable(VR) --- READY_FOR_FIXATION_UPPER
     <: kotlin/Int?
     <: kotlin/Int
     = kotlin/Int (inferred during fixation)
    FIXED TO: kotlin/Int
********************************
