fixes warnings by pub publish --dry-run (#56)

Author: yasirfolio3

lib/src/data_objects/optimizely_config.dart

@@ -1,5 +1,5 @@
 /// **************************************************************************
-/// Copyright 2022, Optimizely, Inc. and contributors  *
+/// Copyright 2022-2023, Optimizely, Inc. and contributors *
 /// *
 /// Licensed under the Apache License, Version 2.0 (the "License"); *
 /// you may not use this file except in compliance with the License. *
@@ -101,11 +101,17 @@ class OptimizelyConfig {
  Map<String, dynamic> dynamicFeaturesMap = {};
  featuresMap.forEach((k, v) => {dynamicFeaturesMap[k] = v.toJson()});
  var dynamicAttributes = [];
- attributes.forEach((v) => {dynamicAttributes.add(v.toJson())});
+ for (var attribute in attributes) {
+ dynamicAttributes.add(attribute.toJson());
+ }
  var dynamicEvents = [];
- events.forEach((v) => {dynamicEvents.add(v.toJson())});
+ for (var event in events) {
+ dynamicEvents.add(event.toJson());
+ }
  var dynamicAudiences = [];
- audiences.forEach((v) => {dynamicAudiences.add(v.toJson())});
+ for (var audience in audiences) {
+ dynamicAudiences.add(audience.toJson());
+ }
 
  return {
  'experimentsMap': dynamicExpMap,
@@ -244,10 +250,14 @@ class OptimizelyFeature {
 
  Map<String, dynamic> toJson() {
  var dynamicDeliveryRules = [];
- deliveryRules.forEach((v) => {dynamicDeliveryRules.add(v.toJson())});
+ for (var deliveryRule in deliveryRules) {
+ dynamicDeliveryRules.add(deliveryRule.toJson());
+ }
 
  var dynamicExperimentRules = [];
- experimentRules.forEach((v) => {dynamicExperimentRules.add(v.toJson())});
+ for (var experimentRule in experimentRules) {
+ dynamicExperimentRules.add(experimentRule.toJson());
+ }
  return {
  'id': id,
  'key': key,