@type t() :: %Polarex.CustomerPortalCustomer{
  billing_address: Polarex.Address.t() | nil,
  billing_name: String.t() | nil,
  created_at: DateTime.t(),
  default_payment_method_id: String.t() | nil,
  email: String.t() | nil,
  email_verified: boolean(),
  id: String.t(),
  modified_at: DateTime.t() | nil,
  name: String.t() | nil,
  oauth_accounts: map(),
  tax_id: [any()] | nil,
  type: String.t() | nil
}