1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/open-telemetry/context/Propagation/TextMapPropagatorInterface.php b/vendor/open-telemetry/context/Propagation/TextMapPropagatorInterface.php
new file mode 100644
index 000000000..fdf2d5141
--- /dev/null
+++ b/vendor/open-telemetry/context/Propagation/TextMapPropagatorInterface.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\Context\Propagation;
+
+use OpenTelemetry\Context\ContextInterface;
+
+/**
+ * @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.6.1/specification/context/api-propagators.md#textmap-propagator
+ */
+interface TextMapPropagatorInterface
+{
+    /**
+     * Returns list of fields that will be used by this propagator.
+     *
+     * @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.6.1/specification/context/api-propagators.md#fields
+     *
+     * @return list<string>
+     */
+    public function fields() : array;
+
+    /**
+     * Injects specific values from the provided {@see ContextInterface} into the provided carrier
+     * via an {@see PropagationSetterInterface}.
+     *
+     * @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.6.1/specification/context/api-propagators.md#textmap-inject
+     *
+     * @param mixed $carrier
+     */
+    public function inject(&$carrier, PropagationSetterInterface $setter = null, ContextInterface $context = null): void;
+
+    /**
+     * Extracts specific values from the provided carrier into the provided {@see ContextInterface}
+     * via an {@see PropagationGetterInterface}.
+     *
+     * @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.6.1/specification/context/api-propagators.md#textmap-extract
+     */
+    public function extract($carrier, PropagationGetterInterface $getter = null, ContextInterface $context = null): ContextInterface;
+}