chore: Аннотация типов

src/Database/PDOStatement.php

@@ -7,6 +7,9 @@ use ctiso\Database\StatementIterator,
     PDO;
 use TheSeer\Tokenizer\Exception;
 
+/**
+ * @implements \IteratorAggregate<int, array>
+ */
 class PDOStatement extends \PDOStatement implements \IteratorAggregate
 {
     /** @var int */

src/Database/StatementIterator.php

@@ -3,6 +3,9 @@
 namespace ctiso\Database;
 use PDO;
 
+/**
+ * @implements \Iterator<array>
+ */
 class StatementIterator implements \Iterator
 {
     /** @var PDOStatement */