ClipboardProps {
-  getItems?: ({
-    type: 'cut' | 'copy'
-}) => Array<DragItem>
+  getItems?: () => Array<DragItem>
   isDisabled?: boolean
   onCopy?: () => void
   onCut?: () => void
   onPaste?: (Array<DropItem>) => void

-createShadowTreeWalker {
-  doc: Document
-  root: Node
-  whatToShow?: number
-  filter?: NodeFilter | null
-  returnVal: undefined
-}

-ShadowTreeWalker {
-  constructor: (Document, Node, number, NodeFilter | null) => void
-  currentNode: Node
-  doc: Document
-  filter: NodeFilter | null
-  firstChild: () => Node | null
-  lastChild: () => Node | null
-  nextNode: () => Node | null
-  previousNode: () => Node | null
-  root: Node
-  whatToShow: number
-}

-getActiveElement {
-  doc: Document
-  returnVal: undefined
-}

-getEventTarget {
-  event: any
-  returnVal: undefined
-}

-nodeContains {
-  node: Node | null | undefined
-  otherNode: Node | null | undefined
-  returnVal: undefined
-}

-isShadowRoot {
-  node: Node | null
-  returnVal: undefined
-}

-enableShadowDOM {
-  returnVal: undefined
-}

-shadowDOM {
-  returnVal: undefined
-}