Add IEventBus#fire to return the posted event object (#57)

src/main/java/net/minecraftforge/eventbus/api/IEventBus.java

@@ -160,6 +160,22 @@ public interface IEventBus {
  */
  boolean post(Event event, IEventBusInvokeDispatcher wrapper);
 
+ /**
+ * Submit the event for dispatch to appropriate listeners and return the (possibly mutated) event
+ *
+ * @param event The event to dispatch to listeners
+ * @return The event object that was dispatched
+ */
+ default <T extends Event> T fire(T event) {
+ post(event);
+ return event;
+ }
+
+ default <T extends Event> T fire(T event, IEventBusInvokeDispatcher wrapper) {
+ post(event, wrapper);
+ return event;
+ }
+
  /**
  * Shuts down this event bus.
  *