import UIKit

class CBModel {}

class MyModel: CBModel {}

class BaseDao<Model: CBModel> {
    var items: [Model] = []
    required init() {
    }
}

class NewsDao: BaseDao<MyModel> {
    required init() {
        super.init()
    }
}

class TableDataSource: NSObject {}

class TableDataSourceWithRealmDao<Model: CBModel, Dao: BaseDao<Model>>: TableDataSource {
    private var dao: Dao

    init(koko: String) {
        self.dao = Dao.init()
        super.init()
    }
}

let datasource = TableDataSourceWithRealmDao<MyModel, NewsDao>(koko: "")

print(datasource)