# Skip doc if any.
	redef fun start_token do
		if n_moduledecl != null then return n_moduledecl.first_token
		if not n_imports.is_empty then return n_imports.first.first_token
		if not n_classdefs.is_empty then return n_classdefs.first.first_token
		return first_token
	end

	redef fun start_token do
		if n_doc == null then return super
		return n_doc.last_token.next_token
	end

	redef fun start_token do
		if not n_visibility isa APublicVisibility then return n_visibility.first_token
		if n_kwredef != null then return n_kwredef
		return n_classkind.first_token
	end