let controller = Bottomsheet.Controller()

// Adds View
let view = UIView
controller.addContentsView(view)

// Adds CollectionView
controller.addCollectionView { [weak self] collectionView in
    // collectionView
}

// Adds TableView
controller.addTableView { [weak self] tableView in
    // tableView
}

// customize
controller.overlayBackgroundColor = UIColor(red: 255, green: 0, blue: 0, alpha: 0.3)
controller.viewActionType = .tappedDismiss
controller.initializeHeight = 200