Update StatementInterface.

Fix errors reported by static analysis

src/Database/Statement/Statement.php

@@ -22,11 +22,10 @@
 use Cake\Database\TypeInterface;
 use Generator;
 use InvalidArgumentException;
-use IteratorAggregate;
 use PDO;
 use PDOStatement;
 
-class Statement implements StatementInterface, IteratorAggregate
+class Statement implements StatementInterface
 {
     /**
      * @var array<string, int>

src/Database/StatementInterface.php

@@ -16,9 +16,13 @@
  */
 namespace Cake\Database;
 
+use IteratorAggregate;
 use PDO;
 
-interface StatementInterface
+/**
+ * @template-extends \IteratorAggregate<array>
+ */
+interface StatementInterface extends IteratorAggregate
 {
     /**
      * Maps to PDO::FETCH_NUM.

src/ORM/EagerLoader.php

@@ -609,10 +609,10 @@ protected function _resolveJoins(array $associations, array $matching = []): arr
      * @param \Cake\ORM\Query\SelectQuery $query The query for which to eager load external.
      * associations.
      * @param iterable $results Results.
-     * @return array
+     * @return iterable
      * @throws \RuntimeException
      */
-    public function loadExternal(SelectQuery $query, iterable $results): array
+    public function loadExternal(SelectQuery $query, iterable $results): iterable
     {
         if (!$results) {
             return $results;

src/ORM/ResultSetFactory.php

@@ -34,7 +34,7 @@ class ResultSetFactory
      * Constructor
      *
      * @param \Cake\ORM\Query\SelectQuery<T> $query Query from where results came.
-     * @param array $results Results array.
+     * @param iterable $results Results.
      * @return \Cake\ORM\ResultSet<array|\Cake\Datasource\EntityInterface>
      */
     public function createResultSet(SelectQuery $query, iterable $results): ResultSet