import 'dart:convert'; class Connection { String? host; int? port; String? username; String? privateKey; String? password; bool? isEncryptionEnabled; bool? isDefault; Connection() : isEncryptionEnabled = true, isDefault = false; Connection.fromJson(Map json) { host = json['host']; port = json['port']; username = json['username']; privateKey = json['privateKeyFilePath']; password = json['password']; isEncryptionEnabled = json['isEncryptionEnabled']; isDefault = json['isDefault']; } String get toJson => jsonEncode({ 'host': host, 'port': port, 'username': username, 'privateKeyFilePath': privateKey, 'password': password, 'isEncryptionEnabled': isEncryptionEnabled, 'isDefault': isDefault }); bool assertComplete() { assert(host != null); assert(port != null); assert(username != null); assert(privateKey != null || password != null); assert(isEncryptionEnabled != null); assert(isDefault != null); return true; } }