Umgeschrieben auf Sevdesk

ConsoleApp3/Contracts/IUsedRepository.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp3.Contracts
+{
+    internal interface IUsedRepository
+    {
+        List<string> Query { get; }
+        //void Insert(string key);
+        void Insert(List<Kunde> kunden);
+    }
+}