<?php

namespace PSX\Model\SchemaOrg;

/**
 * @Description("A collection of music tracks in playlist form.")
 */
class MusicPlaylist extends CreativeWork implements \JsonSerializable
{
    /** @var int|null */
    protected $numTracks;

    /** @var ItemList|MusicRecording|null */
    protected $track;

    /**
     * @param int|null $numTracks
     */
    public function setNumTracks(?int $numTracks): void
    {
        $this->numTracks = $numTracks;
    }

    /**
     * @return int|null
     */
    public function getNumTracks(): ?int
    {
        return $this->numTracks;
    }

    /**
     * @param ItemList|MusicRecording|null $track
     */
    public function setTrack($track): void
    {
        $this->track = $track;
    }

    /**
     * @return ItemList|MusicRecording|null
     */
    public function getTrack()
    {
        return $this->track;
    }

    public function jsonSerialize()
    {
        return (object) array_merge((array) parent::jsonSerialize(), array_filter(array('numTracks' => $this->numTracks, 'track' => $this->track), static function ($value) : bool {
            return $value !== null;
        }));
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTcyMzI1MTk3MzU1MjY5NyA5MzEwMjE4ODAzMTQ0OTUzIDgzMjc2NDA3MzU4Nzc0MDM=