STEP 0:
    modifications:
        U : InterfaceA.0.kt -> InterfaceA.kt
        U : ClassB.0.kt -> ClassB.kt
    added file: InterfaceA.kt, ClassB.kt
STEP 1:
    modifications:
        U : ClassB.1.kt -> ClassB.kt
    modified ir: ClassB.kt
STEP 2:
    modifications:
        U : ClassB.2.kt -> ClassB.kt
    modified ir: ClassB.kt
    updated exports: ClassB.kt
STEP 3:
    modifications:
        U : ClassB.3.kt -> ClassB.kt
    modified ir: ClassB.kt
STEP 4:
STEP 5:
    modifications:
        U : InterfaceA.5.kt -> InterfaceA.kt
    modified ir: InterfaceA.kt
    updated imports: ClassB.kt
STEP 6:
    modifications:
        U : ClassB.6.kt -> ClassB.kt
    modified ir: ClassB.kt
STEP 7:
    modifications:
        U : ClassB.0.kt -> ClassB.kt
    modified ir: ClassB.kt
    updated exports: ClassB.kt
