Method update

packages/react-stately/src/data/useListData.ts:140–140

* Updates an item in the list. * * @param key - The key of the item to update. * @param newValue - The new value for the item, or a function that returns the new value based on * the previous value.

(key: Key, newValue: T | ((prev: T) => T))

   *   the previous value.
   */
  update(key: Key, newValue: T | ((prev: T) => T)): void;
}

export interface ListState<T> {