Options to configure the behaviour of a file save dialog.
The resource the dialog shows when opened.
A set of file filters that are used by the dialog. Each entry is a human readable label, like "TypeScript", and an array of extensions, e.g.
'Images': ['png', 'jpg']
'TypeScript': ['ts', 'tsx']
A human-readable string for the save button.
Dialog title. This parameter might be ignored, as not all operating systems display a title on save dialogs.