1 files changed, 8 insertions, 0 deletions
diff --git a/matrix-specification/Response.php b/matrix-specification/Response.php
new file mode 100644
index 0000000..d44acb6
--- /dev/null
+++ b/matrix-specification/Response.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Matrix;
+
+abstract class Response extends Message
+{
+  public function validateRequired(): void {}
+}