FILE: safeCalls.kt
    public abstract interface A : R|kotlin/Any| {
        public abstract fun foo(): R|A|

        public abstract fun bar(): R|A|

    }
    public abstract interface B : R|kotlin/Any| {
        public abstract val foo: R|B|
            public get(): R|B|

        public abstract val bar: R|B|
            public get(): R|B|

    }
    public final fun test_1(x: R|A?|): R|kotlin/Unit| {
        R|<local>/x|?.{ $subj$.R|/A.foo|() }?.{ $subj$.R|/A.bar|() }
    }
    public final fun test_2(x: R|B?|): R|kotlin/Unit| {
        R|<local>/x|?.{ $subj$.R|/B.foo| }?.{ $subj$.R|/B.bar| }
    }
