code: public function reload() {
      if ( $this->exists || ($this->areSoftDeletesEnabled() && $this->trashed()) ) {
        $fresh = $this->getFreshInstance();
  
        if ( is_null($fresh) )
          throw with(new ModelNotFoundException)->setModel(get_called_class());
  
        $this->setRawAttributes($fresh->getAttributes(), true);
  
        $this->setRelations($fresh->getRelations());
  
        $this->exists = $fresh->exists;
      } else {
        // Revert changes if model is not persisted
        $this->attributes = $this->original;
      }
  
      return $this;
    }
docs: Reloads the model from the database.
  
  @return \Baum\Node
  
  @throws ModelNotFoundException