func hasItemsConforming (to: [String]) -> Bool
Returns whether at least one item conforms to at least one of the specified uniform type identifiers.
func itemProviders (for: [UTType]) -> [NSItemProvider ]
Finds item providers that conform to at least one of the specified uniform type identifiers.
func itemProviders (for: [String]) -> [NSItemProvider ]
Returns an array of items that each conform to at least one of the specified uniform type identifiers.