diff --git a/components/abstractions/src/main/java/com/microsoft/kiota/BaseRequestConfiguration.java b/components/abstractions/src/main/java/com/microsoft/kiota/BaseRequestConfiguration.java
index 2a9bf403f..a93859219 100644
--- a/components/abstractions/src/main/java/com/microsoft/kiota/BaseRequestConfiguration.java
+++ b/components/abstractions/src/main/java/com/microsoft/kiota/BaseRequestConfiguration.java
@@ -6,6 +6,12 @@
 
 /** Base class for request configuration */
 public abstract class BaseRequestConfiguration {
+    /**
+     * Default constructor
+     */
+    public BaseRequestConfiguration() {
+        // default empty constructor
+    }
     /** Request headers */
     @Nullable
     public RequestHeaders headers = new RequestHeaders();
diff --git a/components/abstractions/src/main/java/com/microsoft/kiota/CaseInsensitiveMap.java b/components/abstractions/src/main/java/com/microsoft/kiota/CaseInsensitiveMap.java
index 03cc40f27..8fe0a09a1 100644
--- a/components/abstractions/src/main/java/com/microsoft/kiota/CaseInsensitiveMap.java
+++ b/components/abstractions/src/main/java/com/microsoft/kiota/CaseInsensitiveMap.java
@@ -17,6 +17,9 @@
  * A map that is case-insensitive on the keys
  */
 public class CaseInsensitiveMap implements Map<String, Set<String>>{
+    /**
+     * Default constructor
+     */
     public CaseInsensitiveMap() {
         // default constructor
     }
diff --git a/components/abstractions/src/main/java/com/microsoft/kiota/MultipartBody.java b/components/abstractions/src/main/java/com/microsoft/kiota/MultipartBody.java
index 95c7ef0d0..ea8fee239 100644
--- a/components/abstractions/src/main/java/com/microsoft/kiota/MultipartBody.java
+++ b/components/abstractions/src/main/java/com/microsoft/kiota/MultipartBody.java
@@ -17,6 +17,12 @@
  * Represents a multipart body for a request or a response.
  */
 public class MultipartBody implements Parsable {
+	/**
+	 * Creates a new instance of the MultipartBody class.
+	 */
+	public MultipartBody() {
+		// default empty constructor
+	}
 	@Nonnull
 	private final String boundary = UUID.randomUUID().toString().replace("-", "");
 	/**
diff --git a/components/abstractions/src/main/java/com/microsoft/kiota/NativeResponseHandler.java b/components/abstractions/src/main/java/com/microsoft/kiota/NativeResponseHandler.java
index 8b203dff9..3145eb0c1 100644
--- a/components/abstractions/src/main/java/com/microsoft/kiota/NativeResponseHandler.java
+++ b/components/abstractions/src/main/java/com/microsoft/kiota/NativeResponseHandler.java
@@ -13,6 +13,12 @@
  * The {@code ResponseHandler} implementation to handle native response objects
  */
 public class NativeResponseHandler implements ResponseHandler {
+    /**
+     * Default constructor
+     */
+    public NativeResponseHandler() {
+        // default empty constructor
+    }
     private Object value;
     private HashMap<String, ParsableFactory<? extends Parsable>> errorMappings;
     @Override
diff --git a/components/abstractions/src/main/java/com/microsoft/kiota/ResponseHandler.java b/components/abstractions/src/main/java/com/microsoft/kiota/ResponseHandler.java
index ce88ecedd..64ed54e9f 100644
--- a/components/abstractions/src/main/java/com/microsoft/kiota/ResponseHandler.java
+++ b/components/abstractions/src/main/java/com/microsoft/kiota/ResponseHandler.java
@@ -17,6 +17,7 @@ public interface ResponseHandler {
      * @param errorMappings        the error mappings for the response to use when deserializing failed responses bodies. Where an error code like 401 applies specifically to that status code, a class code like 4XX applies to all status codes within the range if an the specific error code is not present.
      * @param <NativeResponseType> The type of the native response object.
      * @param <ModelType>          The type of the response model object.
+     * @return The deserialized response model object.
      */
     @Nullable
     <NativeResponseType, ModelType> ModelType handleResponse(@Nonnull final NativeResponseType response, @Nullable final HashMap<String, ParsableFactory<? extends Parsable>> errorMappings);
diff --git a/components/http/okHttp/src/main/java/com/microsoft/kiota/http/HeadersCompatibility.java b/components/http/okHttp/src/main/java/com/microsoft/kiota/http/HeadersCompatibility.java
index 2bfd2a6d7..d2c19cb9b 100644
--- a/components/http/okHttp/src/main/java/com/microsoft/kiota/http/HeadersCompatibility.java
+++ b/components/http/okHttp/src/main/java/com/microsoft/kiota/http/HeadersCompatibility.java
@@ -20,6 +20,7 @@ private HeadersCompatibility() {
      * @param headers the okhttp3 headers
      * @return the ResponseHeaders object
      */
+    @Nonnull
     public static ResponseHeaders getResponseHeaders(@Nonnull final okhttp3.Headers headers) {
         Objects.requireNonNull(headers);
         final ResponseHeaders responseHeaders = new ResponseHeaders();
@@ -29,13 +30,13 @@ public static ResponseHeaders getResponseHeaders(@Nonnull final okhttp3.Headers
         });
         return responseHeaders;
     }
-
     /**
      * INTERNAL METHOD, DO NOT USE DIRECTLY
      * Get the request headers from the okhttp3 headers and convert them to a RequestHeaders object
      * @param headers the okhttp3 headers
      * @return the RequestHeaders object
      */
+    @Nonnull
     public static RequestHeaders getRequestHeaders(@Nonnull final okhttp3.Headers headers) {
         Objects.requireNonNull(headers);
         final RequestHeaders requestHeaders = new RequestHeaders();