diff --git a/libs/core/src/lib/@types/geteventlisteners.ts b/libs/core/src/lib/@types/geteventlisteners.ts
new file mode 100644
index 0000000..da32bd7
--- /dev/null
+++ b/libs/core/src/lib/@types/geteventlisteners.ts
@@ -0,0 +1,21 @@
+interface IEventListener<K extends keyof ElementEventMap> {
+  type: K;
+  listener: (ev: ElementEventMap[K]) => void;
+  options?: boolean | EventListenerOptions;
+}
+
+type IEventListenerArray<K extends keyof ElementEventMap> = IEventListener<K>[];
+
+type IEventListenersMap<K extends keyof ElementEventMap> = Record<K, IEventListenerArray<K>>;
+
+interface HTMLElement {
+  /**
+   * Gets all the event listeners of the element.
+   */
+  getEventListeners<K extends keyof ElementEventMap>(): IEventListenersMap<K>;
+
+  /**
+   * Gets all the event listeners of a type of the element.
+   */
+  getEventListeners<K extends keyof ElementEventMap>(type?: K): IEventListenerArray<K>;
+}
diff --git a/libs/core/src/lib/components/wrapper-component.ts b/libs/core/src/lib/components/wrapper-component.ts
index 9e1820a..f654f1d 100644
--- a/libs/core/src/lib/components/wrapper-component.ts
+++ b/libs/core/src/lib/components/wrapper-component.ts
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
-/// <reference path="../renderer/geteventlisteners.ts" />
+import '../@types/geteventlisteners';
+
 
 import { AfterViewInit, ChangeDetectorRef, ElementRef, Input, NgZone, OnChanges, Renderer2, SimpleChanges, AfterContentInit, Directive } from '@angular/core';
 import classnames from 'classnames';
diff --git a/libs/core/src/lib/renderer/geteventlisteners.ts b/libs/core/src/lib/renderer/geteventlisteners.ts
index 1889876..63783a2 100644
--- a/libs/core/src/lib/renderer/geteventlisteners.ts
+++ b/libs/core/src/lib/renderer/geteventlisteners.ts
@@ -85,7 +85,7 @@ Element.prototype.removeEventListener = function<K extends keyof ElementEventMap
   if (this.eventListenerList[type].length == 0) delete this.eventListenerList[type];
 };
 
-Element.prototype.getEventListeners = function<K extends keyof ElementEventMap>(type?: K) {
+HTMLElement.prototype.getEventListeners = function<K extends keyof ElementEventMap>(type?: K) {
   if (!this.eventListenerList) this.eventListenerList = {};
 
   // return requested listeners type or all them