# File lib/selenium/webdriver/ie/server.rb, line 20
        def initialize(binary_path, opts = {})
          Platform.assert_executable binary_path

          @binary_path = binary_path
          @process = nil

          opts = opts.dup
          @log_level   = opts.delete(:log_level)
          @log_file    = opts.delete(:log_file)

          unless opts.empty?
            raise ArgumentError, "invalid option#{'s' if opts.size != 1}: #{opts.inspect}"
          end

        end