jaeger-client -> opentelemetry

vendor/open-telemetry/sdk/Metrics/ReferenceCounterInterface.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics;
+
+/**
+ * @internal
+ */
+interface ReferenceCounterInterface
+{
+    public function acquire(bool $persistent = false): void;
+
+    public function release(): void;
+}