Deriving uniffi::Error on an enum with a variant that contains a message field leads to a Kotlin error #2938

sealed class FfiException: kotlin.Exception() {
    class Cancelled(
        ) : FfiException() {
        override val message
            get() = ""
    }
    
    class GenericException(
        ) : FfiException() {
        override val message
            get() = ""
    }
    
    class StringException(
        val v1: kotlin.String
        ) : FfiException() {
        override val message
            get() = "v1=${ v1 }"
    }
    
    class ApiException(
        val `url`: kotlin.String,         
        val `statusCode`: kotlin.UShort?, 
        
        val `message`: kotlin.String
        ) : FfiException() {
        override val message
            get() = "url=${ `url` }, statusCode=${ `statusCode` }, message=${ `message` }"
    }

    companion object ErrorHandler : UniffiRustCallStatusErrorHandler<FfiException> {
        override fun lift(error_buf: RustBuffer.ByValue): FfiException = FfiConverterTypeFfiError.lift(error_buf)
    }   
}