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

    public function getBaseWorkspace()
    {
        return $this->baseWorkspace;
    }

 /**
  * @test
  */
 public function aWorkspaceCanBeBasedOnAnotherWorkspace()
 {
     $baseWorkspace = new Workspace('BaseWorkspace');
     $workspace = new Workspace('MyWorkspace', $baseWorkspace);
     $this->assertSame('MyWorkspace', $workspace->getName());
     $this->assertSame($baseWorkspace, $workspace->getBaseWorkspace());
 }