Why doesn't pulumi support

email

as an option for SNS? I can manually create an email subscription. This page:

<https://www.pulumi.com/docs/reference/pkg/nodejs/pulumi/aws/sns/#TopicSubscriptionArgs>

says

The possible values for this are: sqs, sms, lambda, application. (http or https are partially supported, see below) (email is an option but is unsupported, see below).

It says that three times on the same page but there is nothing

below

to reference.