diff --git a/src/common/types.d.ts b/src/common/types.d.ts
index 98e52e7..949eb8d 100644
--- a/src/common/types.d.ts
+++ b/src/common/types.d.ts
@@ -1,3 +1,16 @@
 interface EnhancedHTMLElement extends HTMLElement {
-  name: string;
+  getElement: (selectors: string) => EnhancedHTMLElement | null;
+  getAllElements: (selectors: string) => EnhancedHTMLElement[];
+  select: (
+    strings: string[],
+    ...values: string[]
+  ) => EnhancedHTMLElement | null;
+  getValue: (selectors: string) => string | undefined;
+  setValue: (selectors: string, value: string | number) => void;
+  getInt: (selectors: string) => number;
+  addEventObserver: (
+    eventName: string,
+    eventHandler: (e: Event) => void,
+    selector: string,
+  ) => void;
 }
diff --git a/src/common/types.js b/src/common/types.js
index f979aeb..90ebbe0 100644
--- a/src/common/types.js
+++ b/src/common/types.js
@@ -132,7 +132,13 @@
 /**
  * @class EnhancedHTMLElement
  * @extends HTMLElement
- * @property {String} name - Eg.: Anão
+ * @property {Function} getElement
+ * @property {Function} getAllElements
+ * @property {Function} select
+ * @property {Function} getValue
+ * @property {Function} setValue
+ * @property {Function} getInt
+ * @property {Function} addEventObserver
  */
 
 /**