# File lib/dep_selector/exceptions.rb, line 31
      def initialize(message, unsatisfiable_solution_constraint,
                     disabled_non_existent_packages = [],
                     disabled_most_constrained_packages = [])
        @message = message
        @unsatisfiable_solution_constraint = unsatisfiable_solution_constraint
        @disabled_non_existent_packages = disabled_non_existent_packages
        @disabled_most_constrained_packages = disabled_most_constrained_packages
      end