class Gem::ImpossibleDependenciesError


find a valid possible spec for a request.
Raised when dependencies conflict and create the inability to

def dependency 

def dependency
  @request.dependency
end

def initialize(request, conflicts) 

def initialize(request, conflicts)
  s = conflicts.size == 1 ? "" : "s"
  super "detected #{conflicts.size} conflict#{s} with dependency '#{request.dependency}'"
  @request = request
  @conflicts = conflicts
end