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This method is called when an item is replaced in the collection.
protected virtual Task<int> ReplaceAsyncOverride(int index, T item, CancellationToken cancellationToken)
| Type | Name | Description |
|---|---|---|
| int | index | The index of the replaced item. |
| T | item | The replaced item. |
| CancellationToken | cancellationToken | The cancellation token. |
| Type | Description |
|---|---|
| Task<int> |
CanReplace(int, T) must return true to enable this method.