diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php
index f71851a23ace3..891ca9279ed5f 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php
@@ -50,6 +50,7 @@ protected function configure()
                 new InputOption('tags', null, InputOption::VALUE_NONE, 'Displays tagged services for an application'),
                 new InputOption('parameter', null, InputOption::VALUE_REQUIRED, 'Displays a specific parameter for an application'),
                 new InputOption('parameters', null, InputOption::VALUE_NONE, 'Displays parameters for an application'),
+                new InputOption('types', null, InputOption::VALUE_NONE, 'Displays types (classes/interfaces) available in the container'),
                 new InputOption('format', null, InputOption::VALUE_REQUIRED, 'The output format (txt, xml, json, or md)', 'txt'),
                 new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw description'),
             ))
@@ -63,6 +64,10 @@ protected function configure()
 
   <info>php %command.full_name% validator</info>
 
+To see available types that can be used for autowiring, use the <info>--types</info> flag:
+
+  <info>php %command.full_name% --types</info>
+
 By default, private services are hidden. You can display all services by
 using the <info>--show-private</info> flag:
 
@@ -100,7 +105,10 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $this->validateInput($input);
         $object = $this->getContainerBuilder();
 
-        if ($input->getOption('parameters')) {
+        if ($input->getOption('types')) {
+            $options = array('show_private' => true);
+            $options['filter'] = array($this, 'filterToServiceTypes');
+        } elseif ($input->getOption('parameters')) {
             $parameters = array();
             foreach ($object->getParameterBag()->all() as $k => $v) {
                 $parameters[$k] = $object->resolveEnvPlaceholders($v);
@@ -221,4 +229,18 @@ private function findServiceIdsContaining(ContainerBuilder $builder, $name)
 
         return $foundServiceIds;
     }
+
+    /**
+     * @internal
+     */
+    public function filterToServiceTypes($serviceId)
+    {
+        // filter out things that could not be valid class names
+        if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\\\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+$/', $serviceId)) {
+            return false;
+        }
+
+        // see if the class exists (only need to trigger autoload once)
+        return class_exists($serviceId) || interface_exists($serviceId, false);
+    }
 }
diff --git a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/JsonDescriptor.php b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/JsonDescriptor.php
index 30410b93ea329..d49c57adfec2e 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/JsonDescriptor.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/JsonDescriptor.php
@@ -105,6 +105,10 @@ protected function describeContainerServices(ContainerBuilder $builder, array $o
         $showArguments = isset($options['show_arguments']) && $options['show_arguments'];
         $data = array('definitions' => array(), 'aliases' => array(), 'services' => array());
 
+        if (isset($options['filter'])) {
+            $serviceIds = array_filter($serviceIds, $options['filter']);
+        }
+
         foreach ($this->sortServiceIds($serviceIds) as $serviceId) {
             $service = $this->resolveServiceDefinition($builder, $serviceId);
 
diff --git a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/MarkdownDescriptor.php b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/MarkdownDescriptor.php
index 33cd28d4ce53a..59e382d3a9cad 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/MarkdownDescriptor.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/MarkdownDescriptor.php
@@ -131,6 +131,10 @@ protected function describeContainerServices(ContainerBuilder $builder, array $o
         $showArguments = isset($options['show_arguments']) && $options['show_arguments'];
         $services = array('definitions' => array(), 'aliases' => array(), 'services' => array());
 
+        if (isset($options['filter'])) {
+            $serviceIds = array_filter($serviceIds, $options['filter']);
+        }
+
         foreach ($this->sortServiceIds($serviceIds) as $serviceId) {
             $service = $this->resolveServiceDefinition($builder, $serviceId);
 
diff --git a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/TextDescriptor.php b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/TextDescriptor.php
index fa785d48ed021..173df2b529162 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/TextDescriptor.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/TextDescriptor.php
@@ -186,6 +186,10 @@ protected function describeContainerServices(ContainerBuilder $builder, array $o
         $serviceIds = isset($options['tag']) && $options['tag'] ? array_keys($builder->findTaggedServiceIds($options['tag'])) : $builder->getServiceIds();
         $maxTags = array();
 
+        if (isset($options['filter'])) {
+            $serviceIds = array_filter($serviceIds, $options['filter']);
+        }
+
         foreach ($serviceIds as $key => $serviceId) {
             $definition = $this->resolveServiceDefinition($builder, $serviceId);
             if ($definition instanceof Definition) {
@@ -220,8 +224,10 @@ protected function describeContainerServices(ContainerBuilder $builder, array $o
 
         $tableHeaders = array_merge(array('Service ID'), $tagsNames, array('Class name'));
         $tableRows = array();
+        $rawOutput = isset($options['raw_text']) && $options['raw_text'];
         foreach ($this->sortServiceIds($serviceIds) as $serviceId) {
             $definition = $this->resolveServiceDefinition($builder, $serviceId);
+            $styledServiceId = $rawOutput ? $serviceId : sprintf('<fg=cyan>%s</fg=cyan>', $serviceId);
             if ($definition instanceof Definition) {
                 if ($showTag) {
                     foreach ($definition->getTag($showTag) as $key => $tag) {
@@ -236,13 +242,13 @@ protected function describeContainerServices(ContainerBuilder $builder, array $o
                         }
                     }
                 } else {
-                    $tableRows[] = array($serviceId, $definition->getClass());
+                    $tableRows[] = array($styledServiceId, $definition->getClass());
                 }
             } elseif ($definition instanceof Alias) {
                 $alias = $definition;
-                $tableRows[] = array_merge(array($serviceId, sprintf('alias for "%s"', $alias)), $tagsCount ? array_fill(0, $tagsCount, '') : array());
+                $tableRows[] = array_merge(array($styledServiceId, sprintf('alias for "%s"', $alias)), $tagsCount ? array_fill(0, $tagsCount, '') : array());
             } else {
-                $tableRows[] = array_merge(array($serviceId, get_class($definition)), $tagsCount ? array_fill(0, $tagsCount, '') : array());
+                $tableRows[] = array_merge(array($styledServiceId, get_class($definition)), $tagsCount ? array_fill(0, $tagsCount, '') : array());
             }
         }
 
diff --git a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/XmlDescriptor.php b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/XmlDescriptor.php
index 6ed96be1be3d6..c1e586cf927f5 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/XmlDescriptor.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/XmlDescriptor.php
@@ -79,7 +79,7 @@ protected function describeContainerService($service, array $options = array(),
      */
     protected function describeContainerServices(ContainerBuilder $builder, array $options = array())
     {
-        $this->writeDocument($this->getContainerServicesDocument($builder, isset($options['tag']) ? $options['tag'] : null, isset($options['show_private']) && $options['show_private'], isset($options['show_arguments']) && $options['show_arguments']));
+        $this->writeDocument($this->getContainerServicesDocument($builder, isset($options['tag']) ? $options['tag'] : null, isset($options['show_private']) && $options['show_private'], isset($options['show_arguments']) && $options['show_arguments'], isset($options['filter']) ? $options['filter'] : null));
     }
 
     /**
@@ -307,16 +307,21 @@ private function getContainerServiceDocument($service, $id, ContainerBuilder $bu
      * @param string|null      $tag
      * @param bool             $showPrivate
      * @param bool             $showArguments
+     * @param callable         $filter
      *
      * @return \DOMDocument
      */
-    private function getContainerServicesDocument(ContainerBuilder $builder, $tag = null, $showPrivate = false, $showArguments = false)
+    private function getContainerServicesDocument(ContainerBuilder $builder, $tag = null, $showPrivate = false, $showArguments = false, $filter = null)
     {
         $dom = new \DOMDocument('1.0', 'UTF-8');
         $dom->appendChild($containerXML = $dom->createElement('container'));
 
         $serviceIds = $tag ? array_keys($builder->findTaggedServiceIds($tag)) : $builder->getServiceIds();
 
+        if ($filter) {
+            $serviceIds = array_filter($serviceIds, $filter);
+        }
+
         foreach ($this->sortServiceIds($serviceIds) as $serviceId) {
             $service = $this->resolveServiceDefinition($builder, $serviceId);
 
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/AbstractDescriptorTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/AbstractDescriptorTest.php
index 32b70a0829efb..ab5c95a7d8b85 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/AbstractDescriptorTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Console/Descriptor/AbstractDescriptorTest.php
@@ -183,6 +183,7 @@ abstract protected function getFormat();
     private function assertDescription($expectedDescription, $describedObject, array $options = array())
     {
         $options['raw_output'] = true;
+        $options['raw_text'] = true;
         $output = new BufferedOutput(BufferedOutput::VERBOSITY_NORMAL, true);
 
         if ('txt' === $this->getFormat()) {