A map containing a mapping of the mime type of the corresponding transferred data.
Drag and drop controllers that implement handleDrag can add additional mime types to the
data transfer. These additional mime types will only be included in the handleDrop when the the drag was initiated from
an element in the same drag and drop controller.
A map containing a mapping of the mime type of the corresponding transferred data.
Drag and drop controllers that implement
handleDragcan add additional mime types to the data transfer. These additional mime types will only be included in thehandleDropwhen the the drag was initiated from an element in the same drag and drop controller.