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# init(collectionView:itemProvider:)

Creates a diffable data source with the specified item provider, and connects it to the specified collection view.

```
init(collectionView: NSCollectionView, itemProvider: @escaping NSCollectionViewDiffableDataSourceReferenceItemProvider)
```

## Parameters

`collectionView`

The initialized collection view object to connect to the diffable data source.

`itemProvider`

A closure that creates and returns each of the items for the collection view from the data the diffable data source provides.

---

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