clean install

vendor/league/container/src/ServiceProvider/AbstractServiceProvider.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\Container\ServiceProvider;
+
+use League\Container\ContainerAwareTrait;
+
+abstract class AbstractServiceProvider implements ServiceProviderInterface
+{
+    use ContainerAwareTrait;
+
+    /**
+     * @var string
+     */
+    protected $identifier;
+
+    public function getIdentifier(): string
+    {
+        return $this->identifier ?? get_class($this);
+    }
+
+    public function setIdentifier(string $id): ServiceProviderInterface
+    {
+        $this->identifier = $id;
+        return $this;
+    }
+}