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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // This stub is created to support Psalm generics.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Zend Framework (http://framework.zend.com/)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @link      http://github.com/zendframework/zf2 for the canonical source repository  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   http://framework.zend.com/license/new-bsd New BSD License  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Zend\Stdlib;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Countable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use IteratorAggregate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Serializable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @psalm-template T  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @template-extends IteratorAggregate<int, T>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @template-extends ArrayAccess<int|null, T>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class PriorityQueue implements Countable, IteratorAggregate, Serializable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const EXTR_DATA = 0x00000001;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const EXTR_PRIORITY = 0x00000002;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const EXTR_BOTH = 0x00000003;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param mixed $data  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $priority  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return PriorityQueue  | 
            
                            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @psalm-param T $data  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @psalm-return PriorityQueue<T>  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function insert($data, $priority = 1) { } | 
            
                            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param mixed $datum  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool False if the item was not found, true otherwise.  | 
            
                            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @psalm-param T $datum  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function remove($datum) { } | 
            
                            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool  | 
            
                            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function isEmpty() { } | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return int  | 
            
                            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function count() { } | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function top() { } | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function extract() { } | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return SplPriorityQueue  | 
            
                            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @psalm-return SplPriorityQueue<T>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getIterator() { } | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string  | 
            
                            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function serialize() { } | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $data  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function unserialize($data) { } | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $flag  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
                            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function toArray($flag = self::EXTR_DATA) { } | 
            
                            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $class  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return PriorityQueue  | 
            
                            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @psalm-return PriorityQueue<T>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setInternalQueueClass($class) { } | 
            
                            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param mixed $datum  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool  | 
            
                            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @psalm-param T $datum  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function contains($datum) { } | 
            
                            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $priority  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool  | 
            
                            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function hasPriority($priority) { } | 
            
                            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __clone() { } | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.