demo.kt

file addLine "data class $dataClassName ("
tabs++
properties.forEach { property ->
    val argumentName = property.simpleName.asString()
    val resolvedType: KSType = property.type.resolve()
    file addLine "val $argumentName: "
    file addPhrase (resolvedType.declaration.qualifiedName?.asString() ?: run {
        logger.error("Invalid property type", property)
        return
    })
    file addPhrase if (resolvedType.nullability == Nullability.NULLABLE) "?" else ""
    file addPhrase ", "
}
tabs--
file addLine ")"