<?php
  
  namespace Illuminate\Contracts\Pipeline;
  
  use Closure;
  
  interface Pipeline
  {
      /**
       * Set the traveler object being sent on the pipeline.
       *
       * @param  mixed  $traveler
       * @return $this
       */
      public function send($traveler);
  
      /**
       * Set the stops of the pipeline.
       *
       * @param  dynamic|array  $stops
       * @return $this
       */
      public function through($stops);
  
      /**
       * Set the method to call on the stops.
       *
       * @param  string  $method
       * @return $this
       */
      public function via($method);
  
      /**
       * Run the pipeline with a final destination callback.
       *
       * @param  \Closure  $destination
       * @return mixed
       */
      public function then(Closure $destination);
  }