Naneau\SemVer\Version::setPreRelease PHP Метод

    public function setPreRelease(PreRelease $preRelease)
    {
        $this->preRelease = $preRelease;
        return $this;
    }

 /**
  * Get the next logical version relative to the provided base version. If
  * no base is supplied, base will be the same as the current version.
  *
  * @param  Version|string|null $base
  * @return Version
  * @throws InvalidArgumentException
  */
 public function next($base = null)
 {
     //  Ensure that $base is a Version. Parse it if we must, use ourself if
     //  it is empty.
     if (empty($base)) {
         $base = $this;
     } else {
         if (is_string($base)) {
             $base = Parser::parse($base);
         } elseif (!$base instanceof Version) {
             throw new InvalidArgumentException("\$base must be of type Version");
         }
     }
     // If the base is ahead of this Version then the next version will be
     // the base.
     if (Compare::greaterThan($base, $this)) {
         return $base->cleanCopy();
     }
     $next = new Version();
     $next->setMajor($this->getMajor());
     $next->setMinor($this->getMinor());
     $next->setPatch($this->getPatch());
     if ($base->hasPreRelease()) {
         if ($this->hasPreRelease()) {
             // We already know that $base is less than or equal to $this
             // and we won't be jumping to the next greek value. So it is
             // safe use $this prerelease and just increment the release
             // number.
             $pre = new PreRelease();
             $pre->setGreek($this->getPreRelease()->getGreek());
             $pre->setReleaseNumber($this->getPreRelease()->getReleaseNumber() + 1);
             $next->setPreRelease($pre);
         } else {
             throw new InvalidArgumentException("This version has left prerelease without updating the base. Base should not be prerelease.");
         }
     } elseif (!$this->hasPreRelease()) {
         $next->setPatch($this->getPatch() + 1);
     }
     // The case of $this having a pre-release when $base does not means
     // that we are essentially just leaving pre-release. Nothing needs to
     // be done.
     return $next;
 }