diff --git a/lib/src/core/models/chat/sub_models/choices/sub_models/sub_models/content.dart b/lib/src/core/models/chat/sub_models/choices/sub_models/sub_models/content.dart
index 37ab2f9b..21faf199 100644
--- a/lib/src/core/models/chat/sub_models/choices/sub_models/sub_models/content.dart
+++ b/lib/src/core/models/chat/sub_models/choices/sub_models/sub_models/content.dart
@@ -46,7 +46,7 @@ class OpenAIChatCompletionChoiceMessageContentItemModel {
     String imageUrl,
   ) {
     return OpenAIChatCompletionChoiceMessageContentItemModel._(
-      type: 'image',
+      type: 'image_url',
       imageUrl: imageUrl,
     );
   }
@@ -71,9 +71,12 @@ class OpenAIChatCompletionChoiceMessageContentItemModel {
         other.imageUrl == imageUrl;
   }
 
-  //! TODO: make a dynamic toString method for different types of content items.
   @override
-  String toString() {
-    return 'OpenAIChatCompletionChoiceMessageContentItemModel(type: $type, text: $text, imageUrl: $imageUrl)';
-  }
+  String toString() => switch (type) {
+        'text' =>
+          'OpenAIChatCompletionChoiceMessageContentItemModel(type: $type, text: $text)',
+        'image' =>
+          'OpenAIChatCompletionChoiceMessageContentItemModel(type: $type, imageUrl: $imageUrl)',
+        _ => 'OpenAIChatCompletionChoiceMessageContentItemModel(type: $type)',
+      };
 }
diff --git a/lib/src/core/models/fine_tune/sub_models/hyper_params.dart b/lib/src/core/models/fine_tune/sub_models/hyper_params.dart
index 0c6806d5..3b43a2b5 100644
--- a/lib/src/core/models/fine_tune/sub_models/hyper_params.dart
+++ b/lib/src/core/models/fine_tune/sub_models/hyper_params.dart
@@ -37,7 +37,7 @@ final class OpenAIFineTuneHyperParamsModel {
         promptLossWeight.hashCode;
   }
 
-  /// {@template openai_fine_tune_hyper_params_model}
+  /// {@macro openai_fine_tune_hyper_params_model}
   const OpenAIFineTuneHyperParamsModel({
     required this.batchSize,
     required this.learningRateMultiplier,
@@ -45,8 +45,9 @@ final class OpenAIFineTuneHyperParamsModel {
     required this.promptLossWeight,
   });
 
-  /// {@template openai_fine_tune_hyper_params_model}
+  /// {@template openai_fine_tune_hyper_params_model_fromMap}
   /// This method is used to convert a [Map<String, dynamic>] object to a [OpenAIFineTuneHyperParamsModel] object.
+  /// {@endtemplate}
   factory OpenAIFineTuneHyperParamsModel.fromMap(Map<String, dynamic> json) {
     return OpenAIFineTuneHyperParamsModel(
       batchSize: json['batch_size'],
diff --git a/lib/src/core/networking/client.dart b/lib/src/core/networking/client.dart
index 9ba1d426..bd9f908d 100644
--- a/lib/src/core/networking/client.dart
+++ b/lib/src/core/networking/client.dart
@@ -597,11 +597,11 @@ abstract class OpenAINetworkingClient {
 
     var resultBody;
 
-    resultBody = responseBody.canBeParsedToJson
-        ? decodeToMap(responseBody)
-        : responseMapAdapter != null
-            ? responseMapAdapter(responseBody)
-            : responseBody;
+    resultBody = switch ((responseBody.canBeParsedToJson, responseMapAdapter)) {
+      (true, _) => decodeToMap(responseBody),
+      (_, null) => responseBody,
+      (_, final func) => func!(responseBody),
+    };
 
     OpenAILogger.decodedSuccessfully();
     if (doesErrorExists(resultBody)) {
diff --git a/lib/src/core/utils/logger.dart b/lib/src/core/utils/logger.dart
index 9de265aa..449d85c6 100644
--- a/lib/src/core/utils/logger.dart
+++ b/lib/src/core/utils/logger.dart
@@ -9,6 +9,9 @@ import '../constants/strings.dart';
 @immutable
 @internal
 abstract final class OpenAILogger {
+  /// The valid min length of an api key.
+  static const int _kValidApiKeyLength = 10;
+
   /// {@template openai_logger_is_active}
   /// Wether the to show operations flow logger is active or not.
   /// {@endtemplate}
@@ -87,7 +90,7 @@ abstract final class OpenAILogger {
   static isValidApiKey(String key) {
     return key.isNotEmpty &&
         key.startsWith("sk-") &&
-        key.length > 10; //magic number
+        key.length > _kValidApiKeyLength;
   }
 
   /// Logs that an baseUrl key is being set, if the logger is active.
diff --git a/test/openai_test.dart b/test/openai_test.dart
index 6c130a84..a1828b2f 100644
--- a/test/openai_test.dart
+++ b/test/openai_test.dart
@@ -529,9 +529,12 @@ void main() async {
 File jsonLFileExample() {
   final file = File("example.jsonl");
   file.writeAsStringSync(
-    jsonEncode(
-        {"prompt": "<prompt text>", "completion": "<ideal generated text>"}),
+    jsonEncode({
+      "prompt": "<prompt text>",
+      "completion": "<ideal generated text>",
+    }),
   );
+
   return file;
 }
 
@@ -543,5 +546,6 @@ Future<File> getFileFromUrl(
   final uniqueImageName = DateTime.now().microsecondsSinceEpoch;
   final file = File("$uniqueImageName.$fileExtension");
   await file.writeAsBytes(response.bodyBytes);
+
   return file;
 }