Upgrade framework

vendor/symfony/console/Helper/HelperSet.php

@@ -11,41 +11,31 @@
 
 namespace Symfony\Component\Console\Helper;
 
-use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Exception\InvalidArgumentException;
 
 /**
  * HelperSet represents a set of helpers to be used with a command.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @implements \IteratorAggregate<string, Helper>
  */
 class HelperSet implements \IteratorAggregate
 {
-    /**
-     * @var Helper[]
-     */
-    private $helpers = array();
-    private $command;
+    /** @var array<string, Helper> */
+    private array $helpers = [];
 
     /**
-     * Constructor.
-     *
      * @param Helper[] $helpers An array of helper
      */
-    public function __construct(array $helpers = array())
+    public function __construct(array $helpers = [])
     {
         foreach ($helpers as $alias => $helper) {
-            $this->set($helper, is_int($alias) ? null : $alias);
+            $this->set($helper, \is_int($alias) ? null : $alias);
         }
     }
 
-    /**
-     * Sets a helper.
-     *
-     * @param HelperInterface $helper The helper instance
-     * @param string          $alias  An alias
-     */
-    public function set(HelperInterface $helper, $alias = null)
+    public function set(HelperInterface $helper, string $alias = null)
     {
         $this->helpers[$helper->getName()] = $helper;
         if (null !== $alias) {
@@ -57,12 +47,8 @@ class HelperSet implements \IteratorAggregate
 
     /**
      * Returns true if the helper if defined.
-     *
-     * @param string $name The helper name
-     *
-     * @return bool true if the helper is defined, false otherwise
      */
-    public function has($name)
+    public function has(string $name): bool
     {
         return isset($this->helpers[$name]);
     }
@@ -70,13 +56,9 @@ class HelperSet implements \IteratorAggregate
     /**
      * Gets a helper value.
      *
-     * @param string $name The helper name
-     *
-     * @return HelperInterface The helper instance
-     *
      * @throws InvalidArgumentException if the helper is not defined
      */
-    public function get($name)
+    public function get(string $name): HelperInterface
     {
         if (!$this->has($name)) {
             throw new InvalidArgumentException(sprintf('The helper "%s" is not defined.', $name));
@@ -85,30 +67,7 @@ class HelperSet implements \IteratorAggregate
         return $this->helpers[$name];
     }
 
-    /**
-     * Sets the command associated with this helper set.
-     *
-     * @param Command $command A Command instance
-     */
-    public function setCommand(Command $command = null)
-    {
-        $this->command = $command;
-    }
-
-    /**
-     * Gets the command associated with this helper set.
-     *
-     * @return Command A Command instance
-     */
-    public function getCommand()
-    {
-        return $this->command;
-    }
-
-    /**
-     * @return Helper[]
-     */
-    public function getIterator()
+    public function getIterator(): \Traversable
     {
         return new \ArrayIterator($this->helpers);
     }