protected function filterUpdateOptionsProcessing($options) {
        $options['use_quickpay'] = isset($_POST['use_quickpay'])
            ? sanitize_text_field(wp_unslash($_POST['use_quickpay']))
            : $options['use_quickpay'];
        $options['quickpay_btn_position'] = isset($_POST['quickpay_btn_position'])
            ? sanitize_text_field(wp_unslash($_POST['quickpay_btn_position']))
            : $options['quickpay_btn_position'];
        $options['quickpay_notes_field'] = isset($_POST['quickpay_notes_field'])
            ? sanitize_text_field(wp_unslash($_POST['quickpay_notes_field']))
            : $options['quickpay_notes_field'];
        $options['quickpay_custom_order_fields'] = isset($_POST['quickpay_custom_order_fields'])
            ? sanitize_text_field(wp_unslash($_POST['quickpay_custom_order_fields']))
            : $options['quickpay_custom_order_fields'];
        $options['quickpay_custom_delivery_fields'] = isset($_POST['quickpay_custom_delivery_fields'])
            ? sanitize_text_field(wp_unslash($_POST['quickpay_custom_delivery_fields']))
            : $options['quickpay_custom_delivery_fields'];
        $options['quickpay_default_customer_address_details'] = isset($_POST['quickpay_default_customer_address_details'])
            ? $_POST['quickpay_default_customer_address_details']
            : $options['quickpay_default_customer_address_details'];
        $options['merchant_id'] = isset($_POST['merchant_id']) ? trim($_POST['merchant_id']) : '';
        $options['access_key'] = isset($_POST['access_key']) ? trim($_POST['access_key']) : '';
        $options['secret_key'] = isset($_POST['secret_key']) ? $_POST['secret_key'] : '';
        $options['client_id'] = isset($_POST['client_id']) ? trim($_POST['client_id']) : '';
        $options['public_key_id'] = isset($_POST['public_key_id']) ? trim($_POST['public_key_id']) : '';
        $options['private_key'] = isset($_POST['private_key']) ? trim($_POST['private_key']) : '';
        $options['sync_with_order_status_changes'] = isset($_POST['sync_with_order_status_changes']) ? $_POST['sync_with_order_status_changes'] : $options['sync_with_order_status_changes'];
        $options['use_social_login'] = isset($_POST['use_social_login']) ? $_POST['use_social_login'] : $options['use_social_login'];
        $options['transaction_processing_type'] = isset($_POST['transaction_processing_type']) ? $_POST['transaction_processing_type'] : $options['transaction_processing_type'];
        $options['address_priority'] = isset($_POST['address_priority']) ? $_POST['address_priority'] : $options['address_priority'];

        return $options;
    }