1 files changed, 8 insertions, 0 deletions
diff --git a/Digitigrade/Timeline/TimelineIncludeable.php b/Digitigrade/Timeline/TimelineIncludeable.php
new file mode 100644
index 0000000..5406543
--- /dev/null
+++ b/Digitigrade/Timeline/TimelineIncludeable.php
@@ -0,0 +1,8 @@
+<?php
+namespace Digitigrade\Timeline;
+
+interface TimelineIncludeable {
+    public function renderAsHtml();
+    public function toJsonReference(): mixed;
+    public static function fromJsonReference(mixed $reference): self;
+}
+\ No newline at end of file