Filter’s a state’s possibilities to remove any that would not fix the conflict we’ve just rewound from @param [UnwindDetails] unwind_details details of the conflict just
unwound from
@return [void]
@param [String] name @return [Object] the requirement that led to a version of a possibility
with the given name being activated.
@return [String] the name of the source of ‘locked’ dependencies, i.e.
those passed to {Resolver#resolve} directly as the `base`
@return [Integer] index of state requirement in reversed requirement tree
(the conflicting requirement itself will be at position 0)
Filter’s a state’s possibilities to remove any that would (eventually) create a requirement in the conflict we’ve just rewound from @param [UnwindDetails] unwind_details details of the conflict just unwound from @return [void]
Attempts to update the existing vertex’s ‘PossibilitySet` with a filtered version @return [void]
Ensures any raised {NoSuchDependencyError} has its {NoSuchDependencyError#required_by} set. @yield