# The namespace used for entities according to their visibility `v`.
	#
	# Public entities use only the package as a namespace.
	# Private entities use the `full_name` (i.e. "package::module")
	#
	# This method is used by entities to implement their `full_name`.
	fun namespace_for(v: MVisibility): String do
		if v <= private_visibility then return full_name
		var mgroup = self.mgroup
		if mgroup == null then
			return full_name
		else
			return mgroup.mpackage.full_name
		end
	end