diff --git a/src/SegmentRouter.php b/src/SegmentRouter.php
index 6974837..f3424cd 100644
--- a/src/SegmentRouter.php
+++ b/src/SegmentRouter.php
@@ -2,10 +2,8 @@
 
 namespace Sharkk\Router;
 
-class SegmentRouter implements RouterInterface
+trait SegmentRouterTrait
 {
-	private array $routes = [];
-
 	/**
 	 * Add a route to the route tree. The route must be a URI path, and contain dynamic segments
 	 * using a colon prefix. (:id, :slug, etc)
@@ -172,3 +170,23 @@ class SegmentRouter implements RouterInterface
 		return $this->add('HEAD', $route, $handler);
 	}
 }
+
+interface SegmentRouterInterface extends RouterInterface
+{
+	//private function addNode(array &$node, array $segments, string $method, callable $handler): void;
+	public function clear(): RouterInterface;
+	public function dump(): array;
+	public function get(string $route, callable $handler): RouterInterface;
+	public function post(string $route, callable $handler): RouterInterface;
+	public function put(string $route, callable $handler): RouterInterface;
+	public function patch(string $route, callable $handler): RouterInterface;
+	public function delete(string $route, callable $handler): RouterInterface;
+	public function head(string $route, callable $handler): RouterInterface;
+}
+
+class SegmentRouter implements SegmentRouterInterface
+{
+	private array $routes = [];
+
+	use SegmentRouterTrait;
+}