class Selenium::WebDriver::Remote::Capabilities

def json_create(data)
  data = data.dup
  caps = new
  caps.browser_name          = data.delete('browserName')
  caps.version               = data.delete('version')
  caps.platform              = data.delete('platform').downcase.to_sym if data.key?('platform')
  caps.javascript_enabled    = data.delete('javascriptEnabled')
  caps.css_selectors_enabled = data.delete('cssSelectorsEnabled')
  caps.takes_screenshot      = data.delete('takesScreenshot')
  caps.native_events         = data.delete('nativeEvents')
  caps.rotatable             = data.delete('rotatable')
  caps.proxy                 = Proxy.json_create(data['proxy']) if data.key?('proxy') && !data['proxy'].empty?
  # any remaining pairs will be added as is, with no conversion
  caps.merge!(data)
  caps
end