Merge pull request #71 from deguif/fix-deprecations

Fix deprecations

Author: lchrusciel

Callback/ContainerAwareCallback.php

@@ -31,6 +31,8 @@ public function __construct(array $specs, $callable, ContainerInterface $contain
 
     /**
      * {@inheritDoc}
+     *
+     * @return mixed
      */
     public function call(TransitionEvent $event)
     {

Command/winzouStateMachineDebugCommand.php

@@ -29,7 +29,7 @@ public function __construct(array $config)
     /**
      * {@inheritdoc}
      */
-    public function configure()
+    public function configure(): void
     {
         $this
             ->setDescription('Shows information about state machine states, transitions and callbacks.')
@@ -40,7 +40,7 @@ public function configure()
     /**
      * {@inheritdoc}
      */
-    protected function initialize(InputInterface $input, OutputInterface $output)
+    protected function initialize(InputInterface $input, OutputInterface $output): void
     {
         if (empty($this->config)) {
             throw new \RuntimeException('There is no state machine configured.');
@@ -50,7 +50,7 @@ protected function initialize(InputInterface $input, OutputInterface $output)
     /**
      * {@inheritdoc}
      */
-    protected function interact(InputInterface $input, OutputInterface $output)
+    protected function interact(InputInterface $input, OutputInterface $output): void
     {
         if (null !== $input->getArgument('key')) {
             return;

DependencyInjection/winzouStateMachineExtension.php

@@ -23,7 +23,7 @@ class winzouStateMachineExtension extends Extension
     /**
      * {@inheritDoc}
      */
-    public function load(array $configs, ContainerBuilder $container)
+    public function load(array $configs, ContainerBuilder $container): void
     {
         $configuration = new Configuration();
         $config = $this->processConfiguration($configuration, $configs);