Empty secondary constructor for Data Class

Repository.kt

data class Repository(
    var updated_on: String,
    var tags: List<String>,
    var description: String,
    var user_id: List<Int>,
    var status_id: Int,
    var title: String,
    var created_at: String,
    var data: HashMap<*, *>,
    var id: Int,
    var counts: LinkedTreeMap<*, *>
) {
    constructor() : this("", mutableListOf<String>(), 
                         "", mutableListOf<Int>(), -1, 
                         "", "", hashMapOf<Any, Any>(), 
                         -1, LinkedTreeMap<Any, Any>()
                         )
}