| 名前 | 解説 | |
|---|---|---|
 | CanInsert | Determines whether a new item can be inserted in the collection at the specified index. |
| CanMove | Determines whether the item at fromIndex can be moved to toIndex. |
| CanRemove | Determines whether the item at the specified index can be removed from the collection. |
| CanReplace | Determines whether the item at the specified index can be replaced in the collection. |
| InsertAsync | Inserts the specified item at the specified index in the collection. |
| MoveAsync | Moves an item from the specified fromIndex to toIndex. |
| RemoveAsync | Removes the item at the specified index from the collection. |
| ReplaceAsync | Replaces the item at the specified index by the specified item. |