diff --git a/src/main/java/stirling/software/SPDF/config/interfaces/SessionsModelInterface.java b/src/main/java/stirling/software/SPDF/config/interfaces/SessionsModelInterface.java
new file mode 100644
index 00000000..dfe84012
--- /dev/null
+++ b/src/main/java/stirling/software/SPDF/config/interfaces/SessionsModelInterface.java
@@ -0,0 +1,14 @@
+package stirling.software.SPDF.config.interfaces;
+
+import java.util.Date;
+
+public interface SessionsModelInterface {
+
+    String getSessionId();
+
+    String getPrincipalName();
+
+    Date getLastRequest();
+
+    boolean isExpired();
+}