newsupernova/app/code/Mageplaza/Core/Setup/InstallSchema.php

<?php
/**
 * Mageplaza_Core extension
 *                     NOTICE OF LICENSE
 * 
 *                     This source file is subject to the Mageplaza License
 *                     that is bundled with this package in the file LICENSE.txt.
 *                     It is also available through the world-wide-web at this URL:
 *                     https://www.mageplaza.com/LICENSE.txt
 * 
 *                     @category  Mageplaza
 *                     @package   Mageplaza_Core
 *                     @copyright Copyright (c) 2016
 *                     @license   https://www.mageplaza.com/LICENSE.txt Mageplaza License
 */
namespace Mageplaza\Core\Setup;

class InstallSchema implements \Magento\Framework\Setup\InstallSchemaInterface
{
    /**
     * install tables
     *
     * @param \Magento\Framework\Setup\SchemaSetupInterface $setup
     * @param \Magento\Framework\Setup\ModuleContextInterface $context
     * @return void
     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
     */
    public function install(\Magento\Framework\Setup\SchemaSetupInterface $setup, \Magento\Framework\Setup\ModuleContextInterface $context)
    {
        $installer = $setup;
        $installer->startSetup();
        $installer->endSetup();
    }
}