diff --git a/src/lib/dialog/confirmation-dialog/confirmation-dialog.component.ts b/src/lib/dialog/confirmation-dialog/confirmation-dialog.component.ts
index efa6357..a68fe78 100644
--- a/src/lib/dialog/confirmation-dialog/confirmation-dialog.component.ts
+++ b/src/lib/dialog/confirmation-dialog/confirmation-dialog.component.ts
@@ -23,7 +23,7 @@ interface CheckBox {
     extraContentData?: Record<string, unknown>;
 }
 
-export class ConfirmationDialogInput {
+interface IConfirmationDialogInput {
     title?: string;
     titleColor?: TitleColor;
     question?: string;
@@ -37,8 +37,24 @@ export class ConfirmationDialogInput {
     translateParams?: Record<string, unknown>;
     checkboxes?: CheckBox[];
     toastMessage?: string;
+}
 
-    constructor(options?: ConfirmationDialogInput) {
+export class ConfirmationDialogInput implements IConfirmationDialogInput {
+    title: string;
+    titleColor: TitleColor;
+    question: string;
+    details: string;
+    confirmationText: string;
+    alternativeConfirmationText?: string;
+    discardChangesText?: string;
+    requireInput: boolean;
+    disableConfirm: boolean;
+    denyText: string;
+    translateParams: Record<string, unknown>;
+    checkboxes: CheckBox[];
+    toastMessage?: string;
+
+    constructor(options?: IConfirmationDialogInput) {
         this.title = options?.title || _('common.confirmation-dialog.title');
         this.titleColor = options?.titleColor || TitleColors.DEFAULT;
         this.question = options?.question || _('common.confirmation-dialog.description');
@@ -78,7 +94,7 @@ export class ConfirmationDialogComponent {
     }
 
     get uncheckedBoxes(): boolean {
-        return !!this.config.checkboxes?.some(c => !c.value);
+        return this.config.checkboxes.some(c => !c.value);
     }
 
     get isDeleteAction(): boolean {