# File lib/rubigen/lookup.rb, line 138
      def filtered_sources(filters)
        new_sources = []
        new_sources << PathFilteredSource.new(:user, "#{Dir.user_home}/.rubigen/", *filters)
        if Object.const_defined?(:Gem)
          new_sources << GemPathSource.new(*filters)
        end
        new_sources
      end