Fill out the generic type for GridData

Author: shs96c

java/server/src/org/openqa/selenium/grid/graphql/GridData.java

@@ -25,7 +25,7 @@
 
 import java.net.URI;
 
-public class GridData implements DataFetcher {
+public class GridData implements DataFetcher<Grid> {
   private final Distributor distributor;
   private final NewSessionQueue newSessionQueue;
   private final URI publicUri;
@@ -43,7 +43,7 @@ public GridData(
   }
 
   @Override
-  public Object get(DataFetchingEnvironment environment) {
+  public Grid get(DataFetchingEnvironment environment) {
     return new Grid(distributor, newSessionQueue, publicUri, version);
   }
 }