Finds item providers that conform to at least one of the specified
uniform type identifiers.
This function is only valid during the `performDrop()` action.
- Parameter contentTypes: The uniform type identifiers to query for.
- Returns: The item providers that conforms to `contentTypes`.
Returns an Array of items that each conform to at least one of the
specified uniform type identifiers.
This function is only valid during the performDrop() action.
Indicates whether at least one item conforms to at least one of the
specified uniform type identifiers.
- Parameter contentTypes: The uniform type identifiers to query for.
- Returns: Whether at least one item conforms to one of `contentTypes`.