Initial commit

Abstractions/ITokenStore.cs

@@ -0,0 +1,20 @@
+namespace RudderSdk.Core.Abstractions;
+
+/// <summary>
+/// Persists the session token pair. The default is <see cref="InMemoryTokenStore"/>;
+/// games should provide a durable implementation (player prefs, keychain, ...).
+/// </summary>
+public interface ITokenStore
+{
+    /// <summary>Returns the current access token, or null when signed out.</summary>
+    string? GetAccessToken();
+
+    /// <summary>Returns the current refresh token, or null when signed out.</summary>
+    string? GetRefreshToken();
+
+    /// <summary>Stores a fresh token pair.</summary>
+    void SaveTokens(string accessToken, string refreshToken);
+
+    /// <summary>Drops both tokens (logout / session expiry).</summary>
+    void Clear();
+}