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-rw-r--r--app/Contracts/HeaderFactoryInterface.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/Contracts/HeaderFactoryInterface.php b/app/Contracts/HeaderFactoryInterface.php
index b2b7ed3a9e..4cd55fa25e 100644
--- a/app/Contracts/HeaderFactoryInterface.php
+++ b/app/Contracts/HeaderFactoryInterface.php
@@ -37,7 +37,7 @@ interface HeaderFactoryInterface extends GedcomRecordFactoryInterface
*
* @return Header|null
*/
- public function make(string $xref, Tree $tree, string $gedcom = null): ?Header;
+ public function make(string $xref, Tree $tree, string|null $gedcom = null): ?Header;
/**
* Create a header from a row in the database.