Subiendo proyecto completo sin restricciones de git ignore

vendor/stripe/stripe-php/lib/Service/AbstractServiceFactory.php

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+<?php
+
+namespace Stripe\Service;
+
+/**
+ * Abstract base class for all service factories used to expose service
+ * instances through {@link \Stripe\StripeClient}.
+ *
+ * Service factories serve two purposes:
+ *
+ * 1. Expose properties for all services through the `__get()` magic method.
+ * 2. Lazily initialize each service instance the first time the property for
+ *    a given service is used.
+ */
+abstract class AbstractServiceFactory
+{
+    /** @var \Stripe\StripeClientInterface */
+    private $client;
+
+    /** @var array<string, AbstractService|AbstractServiceFactory> */
+    private $services;
+
+    /**
+     * @param \Stripe\StripeClientInterface $client
+     */
+    public function __construct($client)
+    {
+        $this->client = $client;
+        $this->services = [];
+    }
+
+    /**
+     * @param string $name
+     *
+     * @return null|string
+     */
+    abstract protected function getServiceClass($name);
+
+    /**
+     * @param string $name
+     *
+     * @return null|AbstractService|AbstractServiceFactory
+     */
+    public function __get($name)
+    {
+        return $this->getService($name);
+    }
+
+    /**
+     * @param string $name
+     *
+     * @return null|AbstractService|AbstractServiceFactory
+     */
+    public function getService($name)
+    {
+        $serviceClass = $this->getServiceClass($name);
+        if (null !== $serviceClass) {
+            if (!\array_key_exists($name, $this->services)) {
+                $this->services[$name] = new $serviceClass($this->client);
+            }
+
+            return $this->services[$name];
+        }
+
+        \trigger_error('Undefined property: ' . static::class . '::$' . $name);
+
+        return null;
+    }
+}