chore: Аннотация типов

src/Database/PDOStatement.php

@@ -46,7 +46,9 @@ class PDOStatement extends \PDOStatement implements \IteratorAggregate
         return true;
     }
 
-
+    /**
+     * @return bool
+     */
     public function first() {
         if ($this->cursorPos !== 0) { $this->seek(0); }
         return $this->next();

src/Database/StatementIterator.php

@@ -5,7 +5,6 @@ use PDO;
 
 class StatementIterator implements \Iterator
 {
-
     /** @var PDOStatement */
     private $result;
     /** @var int */
@@ -44,6 +43,9 @@ class StatementIterator implements \Iterator
         $this->pos++;
     }
 
+    /**
+     * @param int $index
+     */
     function seek($index): void {
         $this->pos = $index;
     }