Removes a possibility from ‘self` @return [PossibilityState] a state with a single possibility,
the possibility that was removed from `self`
Sets the minimum and maximum supported protocol versions. See min_version= and max_version=.
Redirects to a path ending in /
Returns every spec that has the given full_name
Used to detect if the gem is bundled in older version of Ruby, but not detectable as default gem (see BasicSpecification#default_gem?).
Returns true if the element contains linked content.