i do have a data class:``` package id.or.jisedu.re...

# jackson-kotlin

[Hamza]

i do have a data class:```
package id.or.jisedu.repo

data class Book(
val title: String,
val title_long: String? = null,
val isbn: String? = null,
val isbn13: String? = null,
val dewey_decimal: String? = null,
val format: String? = null,
val publisher: String? = null,
val language: String? = null,
val date_published: String? = null,
val edition: String? = null,
val pages: String? = null,
val binding: String? = null,
val dimensions: String? = null,
val overview: String? = null,
val excerpt: String? = null,
val synopsys: String? = null,
val image: String? = null,
val authors: List<String>,
val subjects: List<String>? = null,
var id: Long? = null,
var amount: Int = 1
)
```