code: public function getQualifiedScopedColumns() {
      if ( !$this->isScoped() )
        return $this->getScopedColumns();
  
      $prefix = $this->getTable() . '.';
  
      return array_map(function($c) use ($prefix) {
        return $prefix . $c; }, $this->getScopedColumns());
    }
docs: Get the qualified column names which define our scope
  
  @return array