t :: %Easypost.Address{id: String.t, object: String.t, street1: String.t, street2: String.t, city: String.t, state: String.t, zip: String.t, country: String.t, name: String.t, company: String.t, phone: String.t, email: String.t, residential: boolean, created_at: String.t, updated_at: String.t}