diff --git a/src/Symfony/Component/Validator/ValidatorBuilderInterface.php b/src/Symfony/Component/Validator/ValidatorBuilderInterface.php
index 42e1fe1272..447a16b341 100644
--- a/src/Symfony/Component/Validator/ValidatorBuilderInterface.php
+++ b/src/Symfony/Component/Validator/ValidatorBuilderInterface.php
@@ -26,6 +26,8 @@ interface ValidatorBuilderInterface
      * Adds an object initializer to the validator.
      *
      * @param ObjectInitializerInterface $initializer The initializer.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addObjectInitializer(ObjectInitializerInterface $initializer);
 
@@ -33,6 +35,8 @@ interface ValidatorBuilderInterface
      * Adds a list of object initializers to the validator.
      *
      * @param array $initializers The initializer.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addObjectInitializers(array $initializers);
 
@@ -40,6 +44,8 @@ interface ValidatorBuilderInterface
      * Adds an XML constraint mapping file to the validator.
      *
      * @param string $path The path to the mapping file.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addXmlMapping($path);
 
@@ -47,6 +53,8 @@ interface ValidatorBuilderInterface
      * Adds a list of XML constraint mapping files to the validator.
      *
      * @param array $paths The paths to the mapping files.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addXmlMappings(array $paths);
 
@@ -54,6 +62,8 @@ interface ValidatorBuilderInterface
      * Adds a YAML constraint mapping file to the validator.
      *
      * @param string $path The path to the mapping file.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addYamlMapping($path);
 
@@ -61,6 +71,8 @@ interface ValidatorBuilderInterface
      * Adds a list of YAML constraint mappings file to the validator.
      *
      * @param array $paths The paths to the mapping files.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addYamlMappings(array $paths);
 
@@ -68,6 +80,8 @@ interface ValidatorBuilderInterface
      * Enables constraint mapping using the given static method.
      *
      * @param string $methodName The name of the method.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addMethodMapping($methodName);
 
@@ -75,6 +89,8 @@ interface ValidatorBuilderInterface
      * Enables constraint mapping using the given static methods.
      *
      * @param array $methodNames The names of the methods.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function addMethodMappings(array $methodNames);
 
@@ -82,11 +98,15 @@ interface ValidatorBuilderInterface
      * Enables annotation based constraint mapping.
      *
      * @param Reader $annotationReader The annotation reader to be used.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function enableAnnotationMapping(Reader $annotationReader = null);
 
     /**
      * Disables annotation based constraint mapping.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function disableAnnotationMapping();
 
@@ -94,6 +114,8 @@ interface ValidatorBuilderInterface
      * Sets the class metadata factory used by the validator.
      *
      * @param ClassMetadataFactoryInterface $metadataFactory The metadata factory.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function setMetadataFactory(ClassMetadataFactoryInterface $metadataFactory);
 
@@ -101,6 +123,8 @@ interface ValidatorBuilderInterface
      * Sets the cache for caching class metadata.
      *
      * @param CacheInterface $cache The cache instance.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function setMetadataCache(CacheInterface $cache);
 
@@ -108,6 +132,8 @@ interface ValidatorBuilderInterface
      * Sets the constraint validator factory used by the validator.
      *
      * @param ConstraintValidatorFactoryInterface $validatorFactory The validator factory.
+     *
+     * @return ValidatorBuilderInterface The builder object.
      */
     public function setConstraintValidatorFactory(ConstraintValidatorFactoryInterface $validatorFactory);