<?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:----NDQ5NDcyOTE3MjQ4NTMwMiA4MjQxODI1OTM0OTA3NzU5IDc1ODUyNDcwMzU4MjIyMg==