£Á°èZ¨Ä…–K§‚«“ô4“ÒÙ´dîfUÙÃÅ WKbyʦ•êŽ…È®FÒ¿ÊÎóCozá¬S@6{Í:›œêZÌ:Š•_%:¢¾¾~;‘Ã~芩ÊǍí`ÔÑ©ú뙵'5I¿fš×WO%ø9¾«¾DK|€ùÍD”Ýs]nHÕ¶êםӼ㞪éUWŸÈË%DÒÕ¬ï‘]/Åcx ‰ï2ß]ä6G[]S£Ôϯrs{úëóµmÒï#UQxo·õÞCe]"±/aÙ&Eã4ú9Jé_ÞåëdãöKë)AÞ ¯¹ægƒÛowЍø^d™ý½ßB7áyMä9ÜÖUã !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! import semver class VersionConstraint: def is_empty(self): # type: () -> bool raise NotImplementedError() def is_any(self): # type: () -> bool raise NotImplementedError() def allows(self, version): # type: (semver.Version) -> bool raise NotImplementedError() def allows_all(self, other): # type: (VersionConstraint) -> bool raise NotImplementedError() def allows_any(self, other): # type: (VersionConstraint) -> bool raise NotImplementedError() def intersect(self, other): # type: (VersionConstraint) -> VersionConstraint raise NotImplementedError() def union(self, other): # type: (VersionConstraint) -> VersionConstraint raise NotImplementedError() def difference(self, other): # type: (VersionConstraint) -> VersionConstraint raise NotImplementedError()