More generic typing

Author: Caitlin Bales (MSFT)

src/main/java/com/microsoft/graph/http/BaseRequest.java

@@ -107,7 +107,7 @@ public abstract class BaseRequest implements IHttpRequest {
     public BaseRequest(final String requestUrl,
                        final IBaseClient client,
                        final List<? extends Option> options,
-                       final Class responseClass) {
+                       final Class<?> responseClass) {
         this.requestUrl = requestUrl;
         this.client = client;
         this.responseClass = responseClass;
@@ -349,7 +349,8 @@ public IBaseClient getClient() {
      *
      * @return The response type.
      */
-    public Class getResponseType() {
-        return responseClass;
+    @SuppressWarnings("unchecked")
+	public <T> Class<T> getResponseType() {
+        return (Class<T>) responseClass;
     }
 }

src/main/java/com/microsoft/graph/models/extensions/IGraphServiceClient.java

@@ -24,7 +24,7 @@
  */
 public interface IGraphServiceClient extends IBaseGraphServiceClient {
 
-	CustomRequestBuilder customRequest(final String url, final Class responseType);
+	CustomRequestBuilder customRequest(final String url, final Class<?> responseType);
 
 	CustomRequestBuilder customRequest(final String url);
 }

src/main/java/com/microsoft/graph/requests/extensions/GraphServiceClient.java

@@ -40,7 +40,7 @@ protected GraphServiceClient() {
      * @param responseType The response class to deserialize the response into
      * @return the instance of this builder
      */
-    public CustomRequestBuilder customRequest(final String url, final Class responseType) {
+    public CustomRequestBuilder customRequest(final String url, final Class<?> responseType) {
     	return new CustomRequestBuilder(getServiceRoot() + url, (IGraphServiceClient)this, null, responseType);
     }
 

src/test/java/com/microsoft/graph/http/BaseRequestTests.java

@@ -76,7 +76,8 @@ public void testSend() {
     public void testSendWithCallback() {
         final AtomicBoolean success = new AtomicBoolean(false);
         final AtomicBoolean failure = new AtomicBoolean(false);
-        ICallback callback = new ICallback() {
+
+		ICallback<Object> callback = new ICallback<Object>() {
             @Override
             public void success(Object o) {
                 success.set(true);