save before flutter upgrade

lib/models/support/support.dart

@@ -0,0 +1,43 @@
+import 'dart:convert';
+
+class CustomerSupport {
+  int? customerId;
+  String? firstName;
+  String? lastName;
+  String? email;
+  String? mobilePhone;
+  String? address;
+
+  CustomerSupport({
+    this.customerId,
+    this.firstName,
+    this.lastName,
+    this.email,
+    this.mobilePhone,
+    this.address,
+  });
+  String get completeName => '$firstName $lastName';
+
+  factory CustomerSupport.fromJson(String str) =>
+      CustomerSupport.fromMap(json.decode(str));
+
+  String toJson() => json.encode(toMap());
+
+  factory CustomerSupport.fromMap(Map<String, dynamic> json) => CustomerSupport(
+        customerId: json["customer_id"],
+        firstName: json["first_name"],
+        lastName: json["last_name"],
+        email: json["email"],
+        mobilePhone: json["mobile_phone"],
+        address: json["address"],
+      );
+
+  Map<String, dynamic> toMap() => {
+        "customer_id": customerId,
+        "first_name": firstName,
+        "last_name": lastName,
+        "email": email,
+        "mobile_phone": mobilePhone,
+        "address": address,
+      };
+}