Optional
If the "." file type should be hidden in the picker.
In unsupported implementations, this will be ignored, and the "." file type will always be visible.
By default, this is false
ID for the file open operation
Supported implementation can use this to open the picker in the same directory for the same ID
List of file types to accept
If the "." file type should be hidden in the picker.
In unsupported implementations, this will be ignored, and the "." file type will always be visible.
By default, this is false