export function isAnAvailableType(_ref: any): boolean;
export function getAvailableTypes(transfer: any): any[];
export function getAvailableItems(dataTransfer: any): any[];
/**
 * Some events don't make sense for the external adapter
 *
 * `onGenerateDragPreview`
 * The browser creates the drag preview for external drags, so we don't
 * need an event to generate the preview for _monitors_ or the _dropTarget_
 *
 * `onDragStart`
 * An external drag can never start from in the `window`, so _dropTarget_'s
 * don't need `onDragStart`
 */
export function dropTargetForExternal(args: any): () => void;
export function monitorForExternal(args: any): () => void;