Add a new type definition for an event object sent by a Polymer dom-repeat
template (for event handlers set on a child element).
@@ -1352,6 +1352,23 @@ DomRepeatElement.prototype.indexForElement = function(el) {};
DomRepeatElement.prototype.renderedItemCount;
+/**
+ * Event object for an event handler on a child of a dom-repeat template.
+ * @see https://www.polymer-project.org/1.0/docs/devguide/templates#handling-events
+ * @extends {CustomEvent}
+ * @constructor
+ * @template T
+ */
+var DomRepeatEvent = function() {};
+
+/**
+ * @type {{
+ * index: number,
+ * item: T
+ * }}
+ */
+DomRepeatEvent.prototype.model;
+
/**
* @see https://github.com/Polymer/polymer/blob/master/src/lib/template/array-selector.html
