and 'created_at'.
	 */
	private function get_keys() {
		return (array) get_option( $this->option_name, array() );
	}

	/**
	 * Updates the recovery key records.
	 *
	 * @since 5.2.0
	 *
	 * @param array $keys Associative array of $token => $data pairs, where $data has keys 'hashed_key'
	 *                    and 'created_at'.
	 * @return bool True on success, false on failure.
	 */
	private function update_keys( array $keys ) {
		return update_option( $this->option_name, $keys, false );
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'WP_Recovery_Mode_Key_Service' not found in /var/www/html/revistacentral.com.br/web/wp-includes/class-wp-recovery-mode.php:82
Stack trace:
#0 /var/www/html/revistacentral.com.br/web/wp-includes/error-protection.php(153): WP_Recovery_Mode-&gt;__construct()
#1 /var/www/html/revistacentral.com.br/web/wp-settings.php(518): wp_recovery_mode()
#2 /var/www/html/revistacentral.com.br/web/wp-config.php(97): require_once('/var/www/html/r...')
#3 /var/www/html/revistacentral.com.br/web/wp-load.php(50): require_once('/var/www/html/r...')
#4 /var/www/html/revistacentral.com.br/web/wp-blog-header.php(13): require_once('/var/www/html/r...')
#5 /var/www/html/revistacentral.com.br/web/index.php(17): require('/var/www/html/r...')
#6 {main}
  thrown in <b>/var/www/html/revistacentral.com.br/web/wp-includes/class-wp-recovery-mode.php</b> on line <b>82</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'WP_Recovery_Mode_Key_Service' not found in /var/www/html/revistacentral.com.br/web/wp-includes/class-wp-recovery-mode.php:82
Stack trace:
#0 /var/www/html/revistacentral.com.br/web/wp-includes/error-protection.php(153): WP_Recovery_Mode-&gt;__construct()
#1 /var/www/html/revistacentral.com.br/web/wp-includes/class-wp-fatal-error-handler.php(54): wp_recovery_mode()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/var/www/html/revistacentral.com.br/web/wp-includes/class-wp-recovery-mode.php</b> on line <b>82</b><br />