class Gem::Resolver

def initialize(needed, set = nil)

def initialize(needed, set = nil)
  @set = set || Gem::Resolver::IndexSet.new
  @needed = needed
  @development         = false
  @development_shallow = false
  @ignore_dependencies = false
  @skip_gems           = {}
  @soft_missing        = false
  @stats               = Gem::Resolver::Stats.new
end