fix:更新已知bug,优化代码

vendor/symfony/console/CommandLoader/FactoryCommandLoader.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Console\CommandLoader;
 
+use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Exception\CommandNotFoundException;
 
 /**
@@ -20,7 +21,7 @@ use Symfony\Component\Console\Exception\CommandNotFoundException;
  */
 class FactoryCommandLoader implements CommandLoaderInterface
 {
-    private $factories;
+    private array $factories;
 
     /**
      * @param callable[] $factories Indexed by command names
@@ -33,7 +34,7 @@ class FactoryCommandLoader implements CommandLoaderInterface
     /**
      * {@inheritdoc}
      */
-    public function has(string $name)
+    public function has(string $name): bool
     {
         return isset($this->factories[$name]);
     }
@@ -41,7 +42,7 @@ class FactoryCommandLoader implements CommandLoaderInterface
     /**
      * {@inheritdoc}
      */
-    public function get(string $name)
+    public function get(string $name): Command
     {
         if (!isset($this->factories[$name])) {
             throw new CommandNotFoundException(sprintf('Command "%s" does not exist.', $name));
@@ -55,7 +56,7 @@ class FactoryCommandLoader implements CommandLoaderInterface
     /**
      * {@inheritdoc}
      */
-    public function getNames()
+    public function getNames(): array
     {
         return array_keys($this->factories);
     }