<?php


namespace Lackoxygen\GzCbec\Contract;


interface XMLInterface
{
    /**
     * @return string
     */
    public function getFirstLabelPrefix(): string;

    /**
     * @return string
     */
    public function getFirstLabelName(): string;

    /**
     * @param string $head
     *
     * @return string
     */
    public function toXML(string $head): string;
}