add inherited return types

Author: blacklizer

ExpressionLanguage/PresetFunctionProvider.php

@@ -24,7 +24,7 @@ public function __construct(array $functions)
     /**
      * {@inheritDoc}
      */
-    public function getFunctions()
+    public function getFunctions(): array
     {
         return array_map([ExpressionFunction::class, 'fromPhp'], $this->functions);
     }

Security/Voter/SuperUserRoleVoter.php

@@ -15,7 +15,7 @@ class SuperUserRoleVoter implements VoterInterface
     /**
      * {@inheritdoc}
      */
-    public function vote(TokenInterface $token, $object, array $attributes)
+    public function vote(TokenInterface $token, $subject, array $attributes): int
     {
         return $this->hasSuperUserRole($token) ? VoterInterface::ACCESS_GRANTED : VoterInterface::ACCESS_ABSTAIN;
     }