/**
  * {@inheritdoc}
  */
 public function clearTargets()
 {
     $this->removeTargets(Expr::valid());
 }
 /**
  * {@inheritdoc}
  */
 public function getAssetMappings()
 {
     return $this->findAssetMappings(Expr::valid());
 }
 /**
  * {@inheritdoc}
  */
 public function clearRootInstallerDescriptors()
 {
     $this->removeRootInstallerDescriptors(Expr::valid());
 }