def visit_many(name)
      children = object.public_send(name)
      child_label(name)
      children.each do |child|
        visit_child(child)
      end
    end
def visit_many(name)
      children = object.public_send(name)
      child_label(name)
      children.each do |child|
        visit_child(child)
      end
    end
Visit many children

 @param [Symbol] name
   the name of the collection attribute with children to visit

 @return [undefined]

 @api private