@type t() :: %DodoPayments.Customer{
  business_id: String.t() | nil,
  created_at: String.t() | nil,
  customer_id: String.t() | nil,
  email: String.t() | nil,
  extra: map(),
  metadata: DodoPayments.ResponseTypes.metadata() | nil,
  name: String.t() | nil,
  phone_number: String.t() | nil
}