backup. before shop update

lib/models/distance_info.dart

@@ -0,0 +1,26 @@
+
+import 'dart:convert';
+
+import 'text_value.dart';
+
+class DistanceInfo {
+  TextValue duration;
+  TextValue distance;
+  String status;
+
+  DistanceInfo.fromJson(Map<String, dynamic> json)
+    : duration = json['duration'] != null ? TextValue.fromJson(json['duration']) : null,
+      distance = json['distance'] != null ? TextValue.fromJson(json['distance']) : null,
+      status = json['status'];
+
+  Map<String, dynamic> toJson() => {
+    'duration': duration,
+    'distance': distance,
+    'status': status
+  };
+
+  @override
+  String toString() {
+    return json.encode(this);
+  }
+}