@type t() :: %PolarExpress.Schemas.OrganizationCustomerEmailSettings{
  order_confirmation: boolean() | nil,
  subscription_cancellation: boolean() | nil,
  subscription_confirmation: boolean() | nil,
  subscription_cycled: boolean() | nil,
  subscription_cycled_after_trial: boolean() | nil,
  subscription_past_due: boolean() | nil,
  subscription_renewal_reminder: boolean() | nil,
  subscription_revoked: boolean() | nil,
  subscription_trial_conversion_reminder: boolean() | nil,
  subscription_uncanceled: boolean() | nil,
  subscription_updated: boolean() | nil
}