<?php
 
 namespace Illuminate\Contracts\Cache;
 
 interface Lock
 {
     /**
      * Attempt to acquire the lock.
      *
      * @param  callable|null  $callback
      * @return mixed
      */
     public function get($callback = null);
 
     /**
      * Attempt to acquire the lock for the given number of seconds.
      *
      * @param  int  $seconds
      * @param  callable|null  $callback
      * @return bool
      */
     public function block($seconds, $callback = null);
 
     /**
      * Release the lock.
      *
      * @return void
      */
     public function release();
 
     /**
      * Returns the current owner of the lock.
      *
      * @return string
      */
     public function owner();
 
     /**
      * Releases this lock in disregard of ownership.
      *
      * @return void
      */
     public function forceRelease();
 }