MAGETWO-32631: Define Public API

 - for modules Customer, CustomerImportExport, ProductAlert, Sendfriend, Wishlist

app/code/Magento/Customer/Model/Session.php

@@ -291,6 +291,7 @@ class Session extends \Magento\Framework\Session\SessionManager
     /**
      * Retrieve customer id from current session
      *
+     * @api
      * @return int|null
      */
     public function getCustomerId()
@@ -356,6 +357,7 @@ class Session extends \Magento\Framework\Session\SessionManager
     /**
      * Checking customer login status
      *
+     * @api
      * @return bool
      */
     public function isLoggedIn()
@@ -420,6 +422,7 @@ class Session extends \Magento\Framework\Session\SessionManager
     /**
      * Authorization customer by identifier
      *
+     * @api
      * @param   int $customerId
      * @return  bool
      */
@@ -437,6 +440,7 @@ class Session extends \Magento\Framework\Session\SessionManager
     /**
      * Logout customer
      *
+     * @api
      * @return $this
      */
     public function logout()

app/code/Magento/CustomerImportExport/Model/Export/Address.php

@@ -202,6 +202,7 @@ class Address extends \Magento\ImportExport\Model\Export\Entity\AbstractEav
     /**
      * Export process
      *
+     * @api
      * @return string
      */
     public function export()

app/code/Magento/CustomerImportExport/Model/Export/Customer.php

@@ -119,6 +119,7 @@ class Customer extends \Magento\ImportExport\Model\Export\Entity\AbstractEav
     /**
      * Export process.
      *
+     * @api
      * @return string
      */
     public function export()

app/code/Magento/ProductAlert/Model/Email.php

@@ -149,6 +149,7 @@ class Email extends \Magento\Framework\Model\AbstractModel
     /**
      * Set model type
      *
+     * @api
      * @param string $type
      * @return void
      */
@@ -182,6 +183,7 @@ class Email extends \Magento\Framework\Model\AbstractModel
     /**
      * Set website id
      *
+     * @api
      * @param int $websiteId
      * @return $this
      */
@@ -194,6 +196,7 @@ class Email extends \Magento\Framework\Model\AbstractModel
     /**
      * Set customer by id
      *
+     * @api
      * @param int $customerId
      * @return $this
      */
@@ -232,6 +235,7 @@ class Email extends \Magento\Framework\Model\AbstractModel
     /**
      * Add product (price change) to collection
      *
+     * @api
      * @param \Magento\Catalog\Model\Product $product
      * @return $this
      */
@@ -244,6 +248,7 @@ class Email extends \Magento\Framework\Model\AbstractModel
     /**
      * Add product (back in stock) to collection
      *
+     * @api
      * @param \Magento\Catalog\Model\Product $product
      * @return $this
      */
@@ -282,6 +287,7 @@ class Email extends \Magento\Framework\Model\AbstractModel
     /**
      * Send customer email
      *
+     * @api
      * @return bool
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.NPathComplexity)

app/code/Magento/Sendfriend/Model/Sendfriend.php

@@ -161,6 +161,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     }
 
     /**
+     * @api
      * @return $this
      * @throws CoreException
      */
@@ -220,6 +221,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     /**
      * Validate Form data
      *
+     * @api
      * @return bool|string[]
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.NPathComplexity)
@@ -270,6 +272,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     /**
      * Set Recipients
      *
+     * @api
      * @param array $recipients
      * @return $this
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
@@ -314,6 +317,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     /**
      * Retrieve Recipients object
      *
+     * @api
      * @return \Magento\Framework\Object
      */
     public function getRecipients()
@@ -329,6 +333,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     /**
      * Set product instance
      *
+     * @api
      * @param \Magento\Catalog\Model\Product $product
      * @return $this
      */
@@ -340,6 +345,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     /**
      * Retrieve Product instance
      *
+     * @api
      * @throws \Magento\Framework\Exception\LocalizedException
      * @return \Magento\Catalog\Model\Product
      */
@@ -355,6 +361,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     /**
      * Set Sender Information array
      *
+     * @api
      * @param array $sender
      * @return $this
      */
@@ -370,6 +377,7 @@ class Sendfriend extends \Magento\Framework\Model\AbstractModel
     /**
      * Retrieve Sender Information Object
      *
+     * @api
      * @throws \Magento\Framework\Exception\LocalizedException
      * @return \Magento\Framework\Object
      */

app/code/Magento/Wishlist/Model/Item.php

@@ -176,6 +176,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Set quantity. If quantity is less than 0 - set it to 1
      *
+     * @api
      * @param int $qty
      * @return $this
      */
@@ -308,6 +309,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Validate wish list item data
      *
+     * @api
      * @return bool
      * @throws \Magento\Framework\Exception\LocalizedException
      */
@@ -351,6 +353,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Load item by product, wishlist and shared stores
      *
+     * @api
      * @param int $wishlistId
      * @param int $productId
      * @param array $sharedStores
@@ -400,6 +403,7 @@ class Item extends AbstractModel implements ItemInterface
      * Return true if product was successful added or exception with code
      * Return false for disabled or unvisible products
      *
+     * @api
      * @param \Magento\Checkout\Model\Cart $cart
      * @param bool $delete  delete the item after successful add to cart
      * @return bool
@@ -471,6 +475,7 @@ class Item extends AbstractModel implements ItemInterface
      * Returns formatted buy request - object, holding request received from
      * product view page with keys and options for configured product
      *
+     * @api
      * @return \Magento\Framework\Object
      */
     public function getBuyRequest()
@@ -572,6 +577,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Check product representation in item
      *
+     * @api
      * @param   \Magento\Catalog\Model\Product $product
      * @return  bool
      */
@@ -620,6 +626,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Initialize item options
      *
+     * @api
      * @param   array $options
      * @return  $this
      */
@@ -634,6 +641,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Get all item options
      *
+     * @api
      * @return Option[]
      */
     public function getOptions()
@@ -654,6 +662,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Add option to item
      *
+     * @api
      * @param   Option|\Magento\Framework\Object|array $option
      * @return  $this
      * @throws \Magento\Framework\Exception\LocalizedException
@@ -683,8 +692,9 @@ class Item extends AbstractModel implements ItemInterface
     }
 
     /**
-     *Remove option from item options
+     * Remove option from item options
      *
+     * @api
      * @param string $code
      * @return $this
      */
@@ -700,6 +710,7 @@ class Item extends AbstractModel implements ItemInterface
     /**
      * Get item option by code
      *
+     * @api
      * @param   string $code
      * @return  Option|null
      */
@@ -763,6 +774,7 @@ class Item extends AbstractModel implements ItemInterface
      * If we need to load only some of options, then option code or array of option codes
      * can be provided in $optionsFilter.
      *
+     * @api
      * @param int $id
      * @param null|string|array $optionsFilter
      *

app/code/Magento/Wishlist/Model/Wishlist.php

@@ -172,6 +172,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Load wishlist by customer id
      *
+     * @api
      * @param int $customerId
      * @param bool $create Create wishlist if don't exists
      * @return $this
@@ -196,6 +197,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Retrieve wishlist name
      *
+     * @api
      * @return string
      */
     public function getName()
@@ -210,6 +212,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Set random sharing code
      *
+     * @api
      * @return $this
      */
     public function generateSharingCode()
@@ -221,6 +224,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Load by sharing code
      *
+     * @api
      * @param string $code
      * @return $this
      */
@@ -335,6 +339,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Retrieve wishlist item collection
      *
+     * @api
      * @param int $itemId
      * @return false|Item
      */
@@ -349,6 +354,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Adding item to wishlist
      *
+     * @api
      * @param   Item $item
      * @return  $this
      */
@@ -366,6 +372,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
      * Adds new product to wishlist.
      * Returns new item or string on error.
      *
+     * @api
      * @param int|\Magento\Catalog\Model\Product $product
      * @param \Magento\Framework\Object|array|string|null $buyRequest
      * @param bool $forciblySetQty
@@ -455,6 +462,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Set customer id
      *
+     * @api
      * @param int $customerId
      * @return $this
      */
@@ -466,6 +474,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Retrieve customer id
      *
+     * @api
      * @return int
      */
     public function getCustomerId()
@@ -524,6 +533,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Retrieve wishlist store object
      *
+     * @api
      * @return \Magento\Store\Model\Store
      */
     public function getStore()
@@ -537,6 +547,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Set wishlist store
      *
+     * @api
      * @param \Magento\Store\Model\Store $store
      * @return $this
      */
@@ -549,6 +560,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
     /**
      * Retrieve wishlist items count
      *
+     * @api
      * @return int
      */
     public function getItemsCount()
@@ -596,6 +608,7 @@ class Wishlist extends \Magento\Framework\Model\AbstractModel implements \Magent
      *
      * For more options see \Magento\Catalog\Helper\Product->addParamsToBuyRequest()
      *
+     * @api
      * @param int|Item $itemId
      * @param \Magento\Framework\Object $buyRequest
      * @param null|array|\Magento\Framework\Object $params