- fixes #213 changes annotations to nonnull for build request methods

Author: baywet

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

@@ -46,7 +46,7 @@ public BaseCollectionRequestBuilder(@Nonnull final String requestUrl, @Nonnull f
      * @param requestOptions the options for this request
      * @return the IUserRequest instance
      */
-    @Nullable
+    @Nonnull
     public T5 buildRequest(@Nullable final com.microsoft.graph.options.Option... requestOptions) {
         return buildRequest(getOptions(requestOptions));
     }
@@ -57,7 +57,7 @@ public T5 buildRequest(@Nullable final com.microsoft.graph.options.Option... req
      * @param requestOptions the options for this request
      * @return the IUserRequest instance
      */
-    @Nullable
+    @Nonnull
     public T5 buildRequest(@Nullable final java.util.List<? extends com.microsoft.graph.options.Option> requestOptions) {
         try {
             return collRequestClass.getConstructor(String.class, IBaseClient.class, java.util.List.class)

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

@@ -57,7 +57,7 @@ public BaseReferenceRequestBuilder(@Nonnull final String requestUrl, @Nonnull fi
      * @param requestOptions the options for this request
      * @return The ReferenceRequest instance
      */
-    @Nullable
+    @Nonnull
     public T2 buildRequest(@Nullable final com.microsoft.graph.options.Option... requestOptions) {
         return buildRequest(getOptions(requestOptions));
     }
@@ -68,7 +68,7 @@ public T2 buildRequest(@Nullable final com.microsoft.graph.options.Option... req
      * @param requestOptions the options for this request
      * @return the ReferenceRequest instance
      */
-    @Nullable
+    @Nonnull
     public T2 buildRequest(@Nullable final java.util.List<? extends com.microsoft.graph.options.Option> requestOptions) {
         try {
             return refRequestClass.getConstructor(String.class, IBaseClient.class, java.util.List.class)

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

@@ -63,7 +63,7 @@ public BaseWithReferenceRequestBuilder(@Nonnull final String requestUrl, @Nonnul
      * @param requestOptions the options for this request
      * @return the ReferenceRequest instance
      */
-    @Nullable
+    @Nonnull
     public T2 buildRequest(@Nullable final com.microsoft.graph.options.Option... requestOptions) {
         return buildRequest(getOptions(requestOptions));
     }
@@ -74,7 +74,7 @@ public T2 buildRequest(@Nullable final com.microsoft.graph.options.Option... req
      * @param requestOptions the options for this request
      * @return the ReferenceRequest instance
      */
-    @Nullable
+    @Nonnull
     public T2 buildRequest(@Nullable final java.util.List<? extends com.microsoft.graph.options.Option> requestOptions) {
         try {
             return wReferenceRequestClass.getConstructor(String.class, IBaseClient.class, java.util.List.class)