/**
  * Remove one asset from the asset collection
  *
  * @param Asset $asset
  * @return boolean
  */
 public function removeAsset(Asset $asset)
 {
     if ($this->assets->contains($asset) === TRUE) {
         $this->assets->removeElement($asset);
         return TRUE;
     }
     return FALSE;
 }
 /**
  * Remove one asset from the asset collection
  *
  * @param Asset $asset
  * @return boolean
  */
 public function removeAsset(Asset $asset)
 {
     if ($this->assets->contains($asset) === true) {
         $this->assets->removeElement($asset);
         return true;
     }
     return false;
 }