getDirectoryPath method
Opens a file dialog for loading directories and returns a directory path.
Returns null
if the user cancels the operation.
Implementation
// TODO(stuartmorgan): Switch to FileDialogOptions if we ever need to
// duplicate this to add a parameter.
Future<String?> getDirectoryPath({
String? initialDirectory,
String? confirmButtonText,
}) {
throw UnimplementedError('getDirectoryPath() has not been implemented.');
}