Correção do erro no uso do tipo Number/number em typescript

backend/src/helpers/WhatsQueueIndex.ts

@@ -1,16 +1,16 @@
-  
+
 
 class WhatsQueueIndex {
 
-    static staticIndex:Number = 0;
-      
-    static setIndex(index:Number){
+    static staticIndex: number = 0;
+
+    static setIndex(index: number) {
         this.staticIndex = index
     }
 
-    static getIndex(){
+    static getIndex() {
         return this.staticIndex
     }
-  }
-  
- export default WhatsQueueIndex;
+}
+
+export default WhatsQueueIndex;