FileCacheService.getFile Method
        
 Gets an item from the cache.
 
         
        Parameters
        
            - id
            
 
            - 
                
Type: String
The ID of the file to try and get. 
        
        Return Value
        
Type: jQuery.Promise
        
Value: dundas.filesystem.File
        
A promise object that is resolved when the call is complete.
 If successful, a dundas.filesystem.File is returned.