Class

packages/react-aria/src/collections/Document.ts:428–428

 * which is lazily copied on write during updates.
 */
export class Document<T, C extends BaseCollection<T> = BaseCollection<T>> extends BaseNode<T> {
  nodeType = 11; // DOCUMENT_FRAGMENT_NODE
  ownerDocument: Document<T, C> = this;
  dirtyNodes: Set<BaseNode<T>> = new Set();