class Capybara::Config

def deprecate(method, alternate_method, once: false)
  @deprecation_notified ||= {}
  unless once && @deprecation_notified[method]
    Capybara::Helpers.warn "DEPRECATED: ##{method} is deprecated, please use ##{alternate_method} instead: #{Capybara::Helpers.filter_backtrace(caller)}"
  end
  @deprecation_notified[method] = true
end