<?php
namespace Amasty\QExample\Model\Customer;
use Magento\Customer\Api\Data\CustomerInterface;
/**
 * Class DeleteConsumer
 * @package Amasty\QExample\Model\Customer
 */
class DeleteConsumer
{
 /**
 * DeleteConsumer constructor.
 */
 public function __construct()
 {
 //do smth what you need in constructor
 }
/**
 * @param CustomerInterface $customer
 */
 public function processMessage(CustomerInterface $customer)
 {
 // clean up data actions for customer
 }
}