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Inserts the specified item at the specified index in the collection.
public Task<int> InsertAsync(Guid eTag, int index, T addedItem)
| Type | Name | Description |
|---|---|---|
| Guid | eTag | The token that determines whether the calling collection is synchronized. |
| int | index | The index where the item will be inserted. |
| T | addedItem | The item to be inserted. |
| Type | Description |
|---|---|
| Task<int> |