}

    private
    fun <T : Any?> queryKotlinMetadata(ctClass: CtClass, defaultResult: T, query: (KotlinClassMetadata) -> T): T =
        ctClass.metadata
            ?.let { KotlinClassMetadata.read(it) }
            ?.let { query(it) }
            ?: defaultResult

    private
    val CtClass.metadata: Metadata?
        get() = ctAnnotation<Metadata>()?.let { annotation ->
            Metadata(