GroupService.queryNumberOfGroups Method
        
 Gets the number of groups corresponding to query criteria.
 
         
        Parameters
        
            - filter
            
 
            - 
                
Type: GroupQueryFilterRule
The group query filter rule to be used. 
        
        Return Value
        
Type: jQuery.Promise
        
Value: int
        
Element Value: int
        
A promise object that is resolved when the call is complete.
 If successful, an int containing the number of groups that match the filter is returned.