public abstract interface TwoSuperclassesReturnJavaSubtype : R|kotlin/Any| {
    public abstract interface Sub : R|test/TwoSuperclassesReturnJavaSubtype.Super1|, R|test/TwoSuperclassesReturnJavaSubtype.Super2| {
        public abstract fun foo(): R|kotlin/String|

    }

    public abstract interface Super1 : R|kotlin/Any| {
        public abstract fun dummy(): R|kotlin/Unit|

        public abstract fun foo(): R|kotlin/CharSequence?|

    }

    public abstract interface Super2 : R|kotlin/Any| {
        public abstract fun dummy(): R|kotlin/Unit|

        public abstract fun foo(): R|kotlin/CharSequence|

    }

}
