jaeger-client -> opentelemetry

vendor/open-telemetry/context/Propagation/PropagationSetterInterface.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\Context\Propagation;
+
+/**
+ * @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.6.1/specification/context/api-propagators.md#setter-argument
+ */
+interface PropagationSetterInterface
+{
+    /**
+     * Set the value for a given key on the associated carrier.
+     */
+    public function set(&$carrier, string $key, string $value) : void;
+}