diff --git a/GBase/Interfaces/FileHandling/IFileHandler.cs b/GBase/Interfaces/FileHandling/IFileHandler.cs
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+++ b/GBase/Interfaces/FileHandling/IFileHandler.cs
@@ -0,0 +1,24 @@
+// Author: Gockner, Simon
+// Created: 2020-01-24
+// Copyright(c) 2020 SimonG. All Rights Reserved.
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace GBase.Interfaces.FileHandling
+{
+    /// <summary>
+    /// Internal file handler
+    /// </summary>
+    internal interface IFileHandler : IAsyncDisposable
+    {
+        /// <summary>
+        /// Initialize this <see cref="IFileHandler"/>
+        /// </summary>
+        /// <param name="path">The path of the database</param>
+        /// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the asynchronous operation</param>
+        /// <returns>True if successful, false if not</returns>
+        Task<bool> Init(string path, CancellationToken cancellationToken);
+    }
+}
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