FILE: primaryConstructorRequiredForDataClass.kt
    public final data class A : R|kotlin/Any| {
        public constructor(): R|A| {
            super<R|kotlin/Any|>()
        }

        public final fun copy(): R|A|

    }
    public final data class B : R|kotlin/Any| {
        public constructor(): R|B| {
            super<R|kotlin/Any|>()
        }

    }
    public final data class C : R|kotlin/Any| {
        public constructor(x: R|kotlin/Int|): R|C| {
            super<R|kotlin/Any|>()
        }

    }
