<?php
  
  namespace Guzzle\Common;
  
  /**
   * Guzzle version information
   */
  class Version
  {
      const VERSION = '3.8.1';
  
      /**
       * @var bool Set this value to true to enable warnings for deprecated functionality use. This should be on in your
       *           unit tests, but probably not in production.
       */
      public static $emitWarnings = false;
  
      /**
       * Emit a deprecation warning
       *
       * @param string $message Warning message
       */
      public static function warn($message)
      {
          if (self::$emitWarnings) {
              trigger_error('Deprecation warning: ' . $message, E_USER_DEPRECATED);
          }
      }
  }