add aliases to support specifying EventOptions (#1696)

* add aliases to support specifying EventOptions

This is done to enable specifying EventOptions when using
NewServerWithOptions.

https://pkg.go.dev/github.com/fsouza/fake-gcs-server/fakestorage#NewServerWithOptions

Fixes #1695

* fakestorage: remove unused type

---------

Co-authored-by: francisco souza <[email protected]>

Author: 0xmohit

fakestorage/server.go

@@ -73,6 +73,8 @@ func NewServerWithHostPort(objects []Object, host string, port uint16) (*Server,
 	})
 }
 
+type EventManagerOptions = notification.EventManagerOptions
+
 // Options are used to configure the server on creation.
 type Options struct {
 	InitialObjects []Object
@@ -111,7 +113,7 @@ type Options struct {
 
 	// EventOptions contains the events that should be published and the URL
 	// of the Google cloud function such events should be published to.
-	EventOptions notification.EventManagerOptions
+	EventOptions EventManagerOptions
 
 	// Location used for buckets in the server.
 	BucketsLocation string