Neos\ContentRepository\Domain\Model\Workspace::getNodeCount PHP Method

    public function getNodeCount()
    {
        return $this->nodeDataRepository->countByWorkspace($this);
    }

 /**
  * Returns the number of unpublished nodes contained in the given workspace
  *
  * @param Workspace $workspace
  * @return integer
  * @api
  */
 public function getUnpublishedNodesCount(Workspace $workspace)
 {
     return $workspace->getNodeCount() - 1;
 }