<?php

namespace PSX\Model\SchemaOrg;

/**
 * @Description("A WebSite is a set of related web pages and other items typically served from a single web domain and accessible via URLs.")
 */
class WebSite extends CreativeWork implements \JsonSerializable
{
    /** @var string|null */
    protected $issn;

    /**
     * @param string|null $issn
     */
    public function setIssn(?string $issn): void
    {
        $this->issn = $issn;
    }

    /**
     * @return string|null
     */
    public function getIssn(): ?string
    {
        return $this->issn;
    }

    public function jsonSerialize()
    {
        return (object) array_merge((array) parent::jsonSerialize(), array_filter(array('issn' => $this->issn), static function ($value) : bool {
            return $value !== null;
        }));
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MjI1NDA5NjU3NzMxMDcxNCAxMTU5NDkyNzM5MjE4OTUzIDMxNzA3ODA2NDg1NDU5OTg=