# File lib/selenium/client/idiomatic.rb, line 450
450:       def browser_xpath_library=(library_name)
451:         raise "library name must be :ajaxslt, :javascript-xpath, or :default"   \
452:             unless [:ajaxslt, 'javascript-xpath''javascript-xpath', :default].include?(library_name)
453:         remote_control_command "useXpathLibrary", [library_name.to_s]
454:       end