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<?php |
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/** |
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* Abstract breadcrumb item class. |
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* |
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* Used as a base for all breadcrumb item types. |
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*/ |
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abstract class Carbon_Breadcrumb_Item extends Carbon_Breadcrumb_Factory { |
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/** |
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* Breadcrumb item title. |
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* |
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* @access protected |
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* @var string |
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*/ |
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protected $title; |
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/** |
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* Breadcrumb item link URL. |
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* |
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* @access protected |
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* @var string |
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*/ |
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protected $link; |
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/** |
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* Breadcrumb item link additional attributes. |
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* |
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* @access protected |
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* @var array |
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*/ |
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protected $attributes = array( |
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'target' => '_self', |
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); |
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/** |
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* Breadcrumb item priority. |
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* |
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* @access protected |
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* @var int |
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*/ |
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protected $priority = 1000; |
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/** |
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* Breadcrumb item type. |
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* |
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* @access protected |
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* @var string |
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*/ |
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protected $type = ''; |
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/** |
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* Breadcrumb item subtype. |
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* |
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* @access protected |
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* @var string |
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*/ |
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protected $subtype = ''; |
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/** |
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* Build a new breadcrumb item of the selected type. |
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* |
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* @static |
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* @access public |
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* |
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* @param string $type Type of the breadcrumb item. |
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* @param int $priority Priority of this breadcrumb item. |
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* @return Carbon_Breadcrumb_Item $item The new breadcrumb item. |
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*/ |
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public static function factory( $type = 'custom', $priority = 1000 ) { |
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$class = self::verify_class_name( __CLASS__ . '_' . $type, 'Unexisting breadcrumb item type: "' . $type . '".' ); |
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$item = new $class( $priority ); |
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$item->set_type( $type ); |
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return $item; |
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} |
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/** |
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* Constructor. |
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* |
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* Creates and configures a new breadcrumb item with the provided settings. |
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* |
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* @access public |
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* |
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* @param int $priority Priority of this breadcrumb item. |
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*/ |
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public function __construct( $priority = 1000 ) { |
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$this->set_priority( $priority ); |
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} |
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/** |
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* Retrieve the breadcrumb item title. |
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* |
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* @access public |
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* |
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* @return string $title The title of this breadcrumb item. |
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*/ |
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public function get_title() { |
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return $this->title; |
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} |
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/** |
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* Modify the title of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @param string $title The new title. |
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*/ |
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public function set_title( $title ) { |
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$this->title = $title; |
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} |
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/** |
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* Retrieve the breadcrumb item link URL. |
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* |
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* @access public |
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* |
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* @return string $link The link URL of this breadcrumb item. |
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*/ |
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public function get_link() { |
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return $this->link; |
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} |
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/** |
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* Modify the link URL of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @param string $link The new link URL. |
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*/ |
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public function set_link( $link = '' ) { |
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$this->link = $link; |
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} |
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/** |
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* Retrieve the breadcrumb item link attributes. |
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* |
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* @access public |
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* |
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* @return array $attributes The link attributes of this breadcrumb item. |
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*/ |
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public function get_attributes() { |
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return $this->attributes; |
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} |
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/** |
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* Modify the link attributes of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @param array $attributes The new link attributes. |
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*/ |
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public function set_attributes( $attributes = array() ) { |
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$this->attributes = $attributes; |
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} |
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/** |
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* Retrieve the breadcrumb item priority. |
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* |
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* @access public |
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* |
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* @return int $priority The priority of this breadcrumb item. |
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*/ |
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public function get_priority() { |
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return $this->priority; |
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} |
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/** |
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* Modify the priority of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @param int $priority The new priority. |
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*/ |
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public function set_priority( $priority ) { |
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$this->priority = $priority; |
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} |
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/** |
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* Retrieve the type of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @return string $type The type of this breadcrumb item. |
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*/ |
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public function get_type() { |
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return $this->type; |
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} |
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/** |
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* Modify the type of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @param string $type The new breadcrumb item type. |
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*/ |
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public function set_type( $type ) { |
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$this->type = $type; |
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} |
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/** |
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* Retrieve the subtype of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @return string $subtype The subtype of this breadcrumb item. |
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*/ |
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public function get_subtype() { |
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return $this->subtype; |
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} |
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/** |
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* Modify the subtype of this breadcrumb item. |
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* |
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* @access public |
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* |
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* @param string $subtype The new breadcrumb item subtype. |
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*/ |
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public function set_subtype( $subtype ) { |
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$this->subtype = $subtype; |
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} |
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/** |
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* Setup this breadcrumb item. |
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* |
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* This method can be used to automatically set this item's title, link |
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* and other settings in the child class. |
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* |
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* @abstract |
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* @access public |
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*/ |
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abstract public function setup(); |
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} |