Add some missing PHP native types (#7191)

* Add some missing PHP native types
Replaces https://github.com/FreshRSS/FreshRSS/pull/7184

* Clean some types

1 files changed, 1 insertions, 1 deletions

diff --git a/app/Models/BooleanSearch.php b/app/Models/BooleanSearch.php
index f7273151e..1832bd419 100644
--- a/app/Models/BooleanSearch.php
+++ b/app/Models/BooleanSearch.php
@@ -412,7 +412,7 @@ class FreshRSS_BooleanSearch implements \Stringable {
 	}
 
 	/** @param FreshRSS_BooleanSearch|FreshRSS_Search $search */
-	public function add($search): void {
+	public function add(FreshRSS_BooleanSearch|FreshRSS_Search $search): void {
 		$this->searches[] = $search;
 	}