SchemaLocator.php

<?php
declare(strict_types=1);

namespace Firegento\ContentProvisioning\Model\Config;

class SchemaLocator implements \Magento\Framework\Config\SchemaLocatorInterface
{
    /**
     * Path to corresponding XSD file with validation rules for merged config
     *
     * @var string
     */
    protected $_schema = null;

    /**
     * Path to corresponding XSD file with validation rules for separate config files
     *
     * @var string
     */
    protected $_perFileSchema = null;

    /**
     * @param \Magento\Framework\Module\Dir\Reader $moduleReader
     */
    public function __construct(\Magento\Framework\Module\Dir\Reader $moduleReader)
    {
        $etcDir = $moduleReader->getModuleDir(
            \Magento\Framework\Module\Dir::MODULE_ETC_DIR,
            'Firegento_ContentProvisioning'
        );
        $this->_schema = $etcDir . '/content_provisioning.xsd';
        $this->_perFileSchema = $etcDir . '/content_provisioning.xsd';
    }

    /**
     * Get path to merged config schema
     *
     * @return string|null
     */
    public function getSchema()
    {
        return $this->_schema;
    }

    /**
     * Get path to per file validation schema
     *
     * @return string|null
     */
    public function getPerFileSchema()
    {
        return $this->_perFileSchema;
    }
}