,Unit,Values,Description
start,--,"str or datetime-like; e.g. YYYY-MM-DD","Left bound of date range"
end,--,"str or datetime-like; e.g. YYYY-MM-DD","Right bound of date range"
closed,--,"One of {None, ‘left’, ‘right’}","Make the time interval closed to the ``left``, ``right``, or open on both sides ``None``."