Feature: [docgen][stored object] handler for request generator and required fixes

src/Bundle/ChillDocGeneratorBundle/Service/Generator/GeneratorInterface.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Chill\DocGeneratorBundle\Service\Generator;
+
+use Chill\DocGeneratorBundle\Entity\DocGeneratorTemplate;
+use Chill\DocStoreBundle\Entity\StoredObject;
+use Symfony\Component\HttpFoundation\File\File;
+
+interface GeneratorInterface
+{
+    /**
+     * @template T of File|null
+     * @template B of bool
+     * @param B $isTest
+     * @param (B is true ? T : null) $testFile
+     * @psalm-return (B is true ? string : null)
+     * @throws \Symfony\Component\Serializer\Exception\ExceptionInterface|\Throwable
+     */
+    public function generateDocFromTemplate(
+        DocGeneratorTemplate $template,
+        string $entityClassName,
+        int $entityId,
+        array $contextGenerationData,
+        ?StoredObject $destinationStoredObject = null,
+        bool $isTest = false,
+        ?File $testFile = null
+    ): ?string;
+}