public function loadComposer() {
    if ($ownVendor = $this->tryPath('vendor/', BootLoader::RELATIVE | BootLoader::VALIDATE)) {
      $this->autoLoader = require $ownVendor.'autoload.php';
    } else {
      // when bootstrapping is inside a dependency of another project
      $this->autoLoader = require $this->getPath('../../', BootLoader::RELATIVE | BootLoader::VALIDATE).'autoload.php';
    }
  }