1 files changed, 20 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Common/Future/NullCancellation.php b/vendor/open-telemetry/sdk/Common/Future/NullCancellation.php
new file mode 100644
index 000000000..5e5b642f9
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Common/Future/NullCancellation.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Common\Future;
+
+use Closure;
+
+final class NullCancellation implements CancellationInterface
+{
+    public function subscribe(Closure $callback): string
+    {
+        return self::class;
+    }
+
+    public function unsubscribe(string $id): void
+    {
+        // no-op
+    }
+}