diff --git a/components/lib/confirmpopup/BaseConfirmPopup.vue b/components/lib/confirmpopup/BaseConfirmPopup.vue
index 5bd3509e9..b124ffb1d 100644
--- a/components/lib/confirmpopup/BaseConfirmPopup.vue
+++ b/components/lib/confirmpopup/BaseConfirmPopup.vue
@@ -90,7 +90,7 @@ const classes = {
     acceptButton: ({ instance }) => ['p-confirm-dialog-accept', instance.confirmation ? instance.confirmation.acceptClass : null]
 };
 
-const { load: loadStyle } = useStyle(styles, { id: 'primevue_confirmPopup_style', manual: true });
+const { load: loadStyle } = useStyle(styles, { id: 'primevue_confirmpopup_style', manual: true });
 
 export default {
     name: 'BaseConfirmPopup',
diff --git a/components/lib/utils/Utils.d.ts b/components/lib/utils/Utils.d.ts
index 49ca3cfc3..215bf4967 100644
--- a/components/lib/utils/Utils.d.ts
+++ b/components/lib/utils/Utils.d.ts
@@ -20,8 +20,12 @@ export declare class DomHandler {
     static addClass(el: HTMLElement, className: string): void;
     static removeClass(el: HTMLElement, className: string): void;
     static hasClass(el: HTMLElement, className: string): boolean;
+    static addStyles(el: HTMLElement, styles: object): void;
     static find(el: HTMLElement, selector: string): any[];
     static findSingle(el: HTMLElement, selector: string): any;
+    static getAttribute(el: HTMLElement, name: string): any;
+    static isAttributeEquals(el: HTMLElement, name: string, value: any): boolean;
+    static isAttributeNotEquals(el: HTMLElement, name: string, value: any): boolean;
     static getHeight(el: HTMLElement): number;
     static getWidth(el: HTMLElement): number;
     static absolutePosition(el: HTMLElement, target: HTMLElement): void;