class Selenium::WebDriver::Remote::Capabilities

def convert_value(key, value)
  case key
  when :platform
    value.to_s.upcase
  when :proxy
    value&.as_json
  when :unhandled_prompt_behavior
    value.is_a?(Symbol) ? value.to_s.tr('_', ' ') : value
  else
    value
  end
end