class Middleman::Sitemap::Extensions::Import

def import_file(from, to)
  ImportFileDescriptor.new(
    File.expand_path(from, @app.root),
    ::Middleman::Util.normalize_path(to)
  )
end

def import_path(from, &block)
  ImportPathDescriptor.new(
    from,
    block_given? ? block : proc { |path| path }
  )
end