Hub.php

<?php

namespace Illuminate\Contracts\Pipeline;

interface Hub
{
    /**
     * Send an object through one of the available pipelines.
     *
     * @param  mixed  $object
     * @param  string|null  $pipeline
     * @return mixed
     */
    public function pipe($object, $pipeline = null);
}
	<?php

	namespace Illuminate\Contracts\Pipeline;

	interface Hub
	{
	/**
	* Send an object through one of the available pipelines.
	*
	* @param mixed $object
	* @param string\|null $pipeline
	* @return mixed
	*/
	public function pipe($object, $pipeline = null);
	}