33   def __init__(self, data=None):  argument
45   def __iter__(self):  argument
49   def __eq__(self, other):  argument
52   def __ne__(self, other):  argument
55   def __bool__(self):  argument
61   def __str__(self):  argument
67   def __repr__(self):  argument
71   def extra(self):  argument
104   def _parse_internal(self, text):  argument
145   def to_string(self):  argument
155   def to_string_raw(self):  argument
159   def union(self, other):  argument
177   def intersect(self, other):  argument
195   def subtract(self, other):  argument
214   def overlaps(self, other):  argument
234   def size(self):  argument
250   def map_within(self, other):  argument
279   def extend(self, n):  argument
301   def first(self, n):  argument
333   def next_item(self):  argument