interface GroupOptions {     checkPull?: ((sortable: sortablejs, 
activeSortable: sortablejs, 
dragEl: HTMLElement, 
event: SortableEvent) => string | boolean | string[]);     checkPut?: ((sortable: sortablejs, 
activeSortable: sortablejs, 
dragEl: HTMLElement, 
event: SortableEvent) => string | boolean | string[]);     name: string;     pull?: PullResult | ((to: sortablejs, 
from: sortablejs, 
dragEl: HTMLElement, 
event: SortableEvent) => PullResult);     put?: PutResult | ((to: sortablejs, 
from: sortablejs, 
dragEl: HTMLElement, 
event: SortableEvent) => PutResult);     revertClone?: boolean; }  Properties
OptionalcheckPull
OptionalcheckPut
name
name: string
Optionalpull
Optionalput
OptionalrevertClone
revertClone?: boolean
a canonical version of pull, created by Sortable