# File lib/gdata/auth/authsub.rb, line 44
      def initialize(token, options = {})
        if token.nil?
          raise ArgumentError, "Token cannot be nil."
        elsif token.class != String
          raise ArgumentError, "Token must be a String."
        end
        
        @token = token
        
        options.each do |key, value|
          self.send("#{key}=", value)
        end
      end