An error caused by searching for a dependency that is completely unknown, i.e. has no versions available whatsoever.
A state that encapsulates a set of {#requirements} with an {Array} of possibilities
A state that encapsulates a single possibility to fulfill the given {#requirement}
@!visibility private
Provides information about specifcations and dependencies to the resolver, allowing the {Resolver} class to remain generic while still providing power and flexibility.
This module contains the methods that users of Gem::Resolver::Molinillo must to implement, using knowledge of their own model classes.
TextConstruct that describes a summary of the Entry.
Reference: validator.w3.org/feed/docs/rfc4287.html#element.summary