diff --git a/src/Phalcon/assets/Manager.php b/src/Phalcon/assets/Manager.php
index 2c45ce8b..d93e5abb 100644
--- a/src/Phalcon/assets/Manager.php
+++ b/src/Phalcon/assets/Manager.php
@@ -198,6 +198,13 @@ public function getJs() {}
      */
     public function collection($name) {}
 
+    /**
+     * @param array $resources
+     * @param string $type
+     * @return array
+     */
+    public function collectionResourcesByType(array $resources, $type) {}
+
     /**
      * Traverses a collection calling the callback to generate its HTML
      *
diff --git a/src/Phalcon/config/adapter/Grouped.php b/src/Phalcon/config/adapter/Grouped.php
index c939f511..bffbd2f6 100644
--- a/src/Phalcon/config/adapter/Grouped.php
+++ b/src/Phalcon/config/adapter/Grouped.php
@@ -13,10 +13,10 @@
  * use Phalcon\Config\Adapter\Grouped;
  *
  * $config = new Grouped(
- *    [
- *        "path/to/config.php",
- *        "path/to/config.dist.php",
- *    ]
+ *     [
+ *         "path/to/config.php",
+ *         "path/to/config.dist.php",
+ *     ]
  * );
  * </code>
  *
@@ -24,11 +24,11 @@
  * use Phalcon\Config\Adapter\Grouped;
  *
  * $config = new Grouped(
- *    [
- *        "path/to/config.json",
- *        "path/to/config.dist.json",
- *    ],
- *    "json"
+ *     [
+ *         "path/to/config.json",
+ *         "path/to/config.dist.json",
+ *     ],
+ *     "json"
  * );
  * </code>
  *
@@ -36,21 +36,21 @@
  * use Phalcon\Config\Adapter\Grouped;
  *
  * $config = new Grouped(
- *    [
- *        [
- *            "filePath" => "path/to/config.php",
- *            "adapter"  => "php",
- *        ],
- *        [
- *            "filePath" => "path/to/config.json",
- *            "adapter"  => "json",
- *        ],
- *        [
- *            "adapter"  => "array",
- *            "config"   => [
- *                "property" => "value",
- *            ],
- *        ],
+ *     [
+ *         [
+ *             "filePath" => "path/to/config.php",
+ *             "adapter"  => "php",
+ *         ],
+ *         [
+ *             "filePath" => "path/to/config.json",
+ *             "adapter"  => "json",
+ *         ],
+ *         [
+ *             "adapter"  => "array",
+ *             "config"   => [
+ *                 "property" => "value",
+ *         ],
+ *     ],
  * );
  * </code>
  */
diff --git a/src/Phalcon/db/adapter/pdo/Mysql.php b/src/Phalcon/db/adapter/pdo/Mysql.php
index 808b3fa5..32bdc42a 100644
--- a/src/Phalcon/db/adapter/pdo/Mysql.php
+++ b/src/Phalcon/db/adapter/pdo/Mysql.php
@@ -75,4 +75,14 @@ public function describeIndexes($table, $schema = null) {}
      */
     public function describeReferences($table, $schema = null) {}
 
+    /**
+     * Adds a foreign key to a table
+     *
+     * @param string $tableName
+     * @param string $schemaName
+     * @param \Phalcon\Db\ReferenceInterface $reference
+     * @return bool
+     */
+    public function addForeignKey($tableName, $schemaName, \Phalcon\Db\ReferenceInterface $reference) {}
+
 }
diff --git a/src/Phalcon/db/dialect/Mysql.php b/src/Phalcon/db/dialect/Mysql.php
index 988bc314..02d04af0 100644
--- a/src/Phalcon/db/dialect/Mysql.php
+++ b/src/Phalcon/db/dialect/Mysql.php
@@ -256,4 +256,11 @@ public function tableOptions($table, $schema = null) {}
      */
     protected function _getTableOptions(array $definition) {}
 
+    /**
+     * Generates SQL to check DB parameter FOREIGN_KEY_CHECKS.
+     *
+     * @return string
+     */
+    public function getForeignKeyChecks() {}
+
 }
diff --git a/src/Phalcon/http/Response.php b/src/Phalcon/http/Response.php
index 00ff7824..9047fed2 100644
--- a/src/Phalcon/http/Response.php
+++ b/src/Phalcon/http/Response.php
@@ -79,12 +79,10 @@ public function setStatusCode($code, $message = null) {}
      * Returns the status code
      *
      * <code>
-     * print_r(
-     *     $response->getStatusCode()
-     * );
+     * echo $response->getStatusCode();
      * </code>
      *
-     * @return array
+     * @return int|null
      */
     public function getStatusCode() {}
 
diff --git a/src/Phalcon/mvc/model/query/Builder.php b/src/Phalcon/mvc/model/query/Builder.php
index 2c2c93d9..82905ca1 100644
--- a/src/Phalcon/mvc/model/query/Builder.php
+++ b/src/Phalcon/mvc/model/query/Builder.php
@@ -703,7 +703,7 @@ final public function autoescape($identifier) {}
      * @param mixed $maximum
      * @return Builder
      */
-    private function _conditionBetween($clause, $operator, $expr, $minimum, $maximum) {}
+    protected function _conditionBetween($clause, $operator, $expr, $minimum, $maximum) {}
 
     /**
      * Appends a NOT BETWEEN condition
@@ -715,7 +715,7 @@ private function _conditionBetween($clause, $operator, $expr, $minimum, $maximum
      * @param mixed $maximum
      * @return Builder
      */
-    private function _conditionNotBetween($clause, $operator, $expr, $minimum, $maximum) {}
+    protected function _conditionNotBetween($clause, $operator, $expr, $minimum, $maximum) {}
 
     /**
      * Appends an IN condition
@@ -726,7 +726,7 @@ private function _conditionNotBetween($clause, $operator, $expr, $minimum, $maxi
      * @param array $values
      * @return Builder
      */
-    private function _conditionIn($clause, $operator, $expr, array $values) {}
+    protected function _conditionIn($clause, $operator, $expr, array $values) {}
 
     /**
      * Appends a NOT IN condition
@@ -737,6 +737,6 @@ private function _conditionIn($clause, $operator, $expr, array $values) {}
      * @param array $values
      * @return Builder
      */
-    private function _conditionNotIn($clause, $operator, $expr, array $values) {}
+    protected function _conditionNotIn($clause, $operator, $expr, array $values) {}
 
 }