Optionaloptions: InputBoxOptionsConfigures the behavior of the input box.
Optionaltoken: CancellationTokenA token that can be used to signal cancellation.
A promise that resolves to a string the user provided or to undefined in case of dismissal.
Opens an input box to ask the user for input.
The returned value will be
undefinedif the input box was canceled (e.g. pressing ESC). Otherwise the returned value will be the string typed by the user or an empty string if the user did not type anything but dismissed the input box with OK.