feat: import

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

lib/Import/ImportCountEvent.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ChronoManager\Import;
+
+use KTXM\ChronoManager\Stream\ExpectedTotal;
+
+final readonly class ImportCountEvent implements ImportEvent, ExpectedTotal {
+
+    public function __construct(
+        public int $total,
+    ) {}
+
+    public function expectedTotal(): int {
+        return $this->total;
+    }
+
+    /**
+     * @return array{total: int}
+     */
+    public function jsonSerialize(): array {
+        return ['total' => $this->total];
+    }
+}