create a new start options class

+import 'dart:ui';
+
+import 'package:mobile_scanner/src/enums/barcode_format.dart';
+import 'package:mobile_scanner/src/enums/camera_facing.dart';
+import 'package:mobile_scanner/src/enums/detection_speed.dart';
+
+/// This class defines the different start options for the mobile scanner.
+class StartOptions {
+  const StartOptions({
+    required this.cameraDirection,
+    required this.cameraResolution,
+    required this.detectionSpeed,
+    required this.detectionTimeoutMs,
+    required this.formats,
+    required this.returnImage,
+    required this.torchEnabled,
+  });
+
+  /// The direction for the camera.
+  final CameraFacing cameraDirection;
+
+  /// The desired camera resolution for the scanner.
+  final Size? cameraResolution;
+
+  /// The detection speed for the scanner.
+  final DetectionSpeed detectionSpeed;
+
+  /// The detection timeout for the scanner, in milliseconds.
+  final int detectionTimeoutMs;
+
+  /// The barcode formats to detect.
+  final List<BarcodeFormat> formats;
+
+  /// Whether the detected barcodes should provide their image data.
+  final bool returnImage;
+
+  /// Whether the torch should be turned on when the scanner starts.
+  final bool torchEnabled;
+
+  Map<String, Object?> toMap() {
+    return <String, Object?>{
+      if (cameraResolution != null)
+        'cameraResolution': <int>[
+          cameraResolution!.width.toInt(),
+          cameraResolution!.height.toInt(),
+        ],
+      'facing': cameraDirection.rawValue,
+      if (formats.isNotEmpty)
+        'formats': formats.map((f) => f.rawValue).toList(),
+      'returnImage': returnImage,
+      'speed': detectionSpeed.rawValue,
+      'timeout': detectionTimeoutMs,
+      'torch': torchEnabled,
+    };
+  }
+}