         }
     }
 }
-
 
 // MARK: - Observing
 extension BrowserEngine {

        return objectSchema.className
    }
    
    
    /// Fetch object schemas from realm.
    /// Optionally pass in an array of strings
    /// to filter out classes

    
    private var realm: Realm
    private(set) var objectSchemas: [ObjectSchema] = []
    private var filter: [String]?
    private var tokenObjects: NotificationToken?
    private var tokenObject: NotificationToken?
    
    init(realm: Realm, filter: [String]? = nil) {
        self.realm = realm
