From 2a7541a35f00499c206391273f30159dc2c7072a Mon Sep 17 00:00:00 2001
From: HorstOeko <horstoeko@erling.com.de>
Date: Fri, 18 Aug 2023 05:05:43 +0200
Subject: [PATCH] Fix ZugferdDocumentPdfBuilderAbstract

---
 src/ZugferdDocumentPdfBuilderAbstract.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ZugferdDocumentPdfBuilderAbstract.php b/src/ZugferdDocumentPdfBuilderAbstract.php
index 9bd76b60..ae18992a 100644
--- a/src/ZugferdDocumentPdfBuilderAbstract.php
+++ b/src/ZugferdDocumentPdfBuilderAbstract.php
@@ -62,9 +62,9 @@ public function __construct(string $pdfData)
     /**
      * Generates the final document
      *
-     * @return static
+     * @return self
      */
-    public function generateDocument(): static
+    public function generateDocument()
     {
         $this->startCreatePdf();
 
@@ -77,9 +77,9 @@ public function generateDocument(): static
      * @param  string $toFilename
      * The full qualified filename to which the generated PDF (with attachment)
      * is stored
-     * @return static
+     * @return self
      */
-    public function saveDocument(string $toFilename): static
+    public function saveDocument(string $toFilename)
     {
         $this->pdfWriter->Output($toFilename, 'F');