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wp-content/plugins/woocommerce-dhl/vendor_prefixed/psr/event-dispatcher/composer.json

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+{
+    "name": "psr\/event-dispatcher",
+    "description": "Standard interfaces for event handling.",
+    "type": "library",
+    "keywords": [
+        "psr",
+        "psr-14",
+        "events"
+    ],
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "PHP-FIG",
+            "homepage": "http:\/\/www.php-fig.org\/"
+        }
+    ],
+    "require": {
+        "php": ">=7.2.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "VendorDHL\\Psr\\EventDispatcher\\": "src\/"
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    }
+}

wp-content/plugins/woocommerce-dhl/vendor_prefixed/psr/event-dispatcher/src/EventDispatcherInterface.php

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+<?php
+
+declare (strict_types=1);
+namespace VendorDHL\Psr\EventDispatcher;
+
+/**
+ * Defines a dispatcher for events.
+ */
+interface EventDispatcherInterface
+{
+    /**
+     * Provide all relevant listeners with an event to process.
+     *
+     * @param object $event
+     *   The object to process.
+     *
+     * @return object
+     *   The Event that was passed, now modified by listeners.
+     */
+    public function dispatch(object $event);
+}

wp-content/plugins/woocommerce-dhl/vendor_prefixed/psr/event-dispatcher/src/ListenerProviderInterface.php

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+<?php
+
+declare (strict_types=1);
+namespace VendorDHL\Psr\EventDispatcher;
+
+/**
+ * Mapper from an event to the listeners that are applicable to that event.
+ */
+interface ListenerProviderInterface
+{
+    /**
+     * @param object $event
+     *   An event for which to return the relevant listeners.
+     * @return iterable[callable]
+     *   An iterable (array, iterator, or generator) of callables.  Each
+     *   callable MUST be type-compatible with $event.
+     */
+    public function getListenersForEvent(object $event) : iterable;
+}

wp-content/plugins/woocommerce-dhl/vendor_prefixed/psr/event-dispatcher/src/StoppableEventInterface.php

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+<?php
+
+declare (strict_types=1);
+namespace VendorDHL\Psr\EventDispatcher;
+
+/**
+ * An Event whose processing may be interrupted when the event has been handled.
+ *
+ * A Dispatcher implementation MUST check to determine if an Event
+ * is marked as stopped after each listener is called.  If it is then it should
+ * return immediately without calling any further Listeners.
+ */
+interface StoppableEventInterface
+{
+    /**
+     * Is propagation stopped?
+     *
+     * This will typically only be used by the Dispatcher to determine if the
+     * previous listener halted propagation.
+     *
+     * @return bool
+     *   True if the Event is complete and no further listeners should be called.
+     *   False to continue calling listeners.
+     */
+    public function isPropagationStopped() : bool;
+}