<?php
  
  namespace Psr\Log;
  
  /**
   * Describes log levels
   */
  class LogLevel
  {
      const EMERGENCY = 'emergency';
      const ALERT = 'alert';
      const CRITICAL = 'critical';
      const ERROR = 'error';
      const WARNING = 'warning';
      const NOTICE = 'notice';
      const INFO = 'info';
      const DEBUG = 'debug';
  }