Added "getUnwrappedDataFetcher" because I needed it to check that the dataFetcher is not Property/Field

Author: guy120494

src/main/java/graphql/annotations/ExtensionDataFetcherWrapper.java

@@ -25,6 +25,7 @@
 public class ExtensionDataFetcherWrapper<T> implements DataFetcher<T>{
 
     private final Class declaringClass;
+
     private final DataFetcher<T> dataFetcher;
 
     public ExtensionDataFetcherWrapper(Class declaringClass, DataFetcher<T> dataFetcher) {
@@ -45,4 +46,8 @@ public T get(DataFetchingEnvironment environment) {
         return dataFetcher.get(environment);
     }
 
+    public DataFetcher<T> getUnwrappedDataFetcher() {
+        return dataFetcher;
+    }
+
 }