code: public function setEntityUuid(?string $entityUuid)
      {
          if (null !== $entityUuid) {
              if (!preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i', $entityUuid)) {
                  throw new InvalidArgumentException('Entity uuid is not valid.');
              }
          }
  
          $this->entityUuid = $entityUuid;
  
          return $this;
      }
docs: Set entity uuid
  
  @param string $entityUuid
  @return object
  @throws \InvalidArgumentException