# File lib/braintree/configuration.rb, line 156
    def auth_url
      case @environment
      when :development
        "http://auth.venmo.dev:9292"
      when :production
        "https://auth.venmo.com"
      when :qa
        "https://auth.venmo.qa2.braintreegateway.com"
      when :sandbox
        "https://auth.venmo.sandbox.braintreegateway.com"
      end
    end