Updated to .NET 7.0 and added Jenkinsfile.

GameServiceWarden/GameServiceWarden.Core/Persistence/IReadOnlyPersistent.cs

@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using GameServiceWarden.ModuleFramework;
+
+namespace GameServiceWarden.Core.Persistence
+{
+    public interface IReadOnlyPersistent<V> : IEnumerable<KeyValuePair<string, V>>
+    {
+        V this[string key] { get; }
+
+        /// <summary>
+        /// The directory for this dictionary to use.
+        /// </summary>
+        string MapDirectory { get; }
+        int Count { get; }
+        IEnumerable<V> Values { get; }
+        IEnumerable<string> Keys { get; }
+
+        bool ContainsKey(string key);
+
+        /// <summary>
+        /// The path to the data representing a specific key.
+        /// </summary>
+        /// <param name="key">The key to get the path for.</param>
+        /// <returns>A <see cref="string"/> representing the key.</returns>
+        string GetPathForKey(string key);
+        bool TryLoadValue(string key, [MaybeNullWhen(false)] out V value);
+    }
+}