A complex element that specifies the expiration settings for the envelope. When an envelope expires, it is voided and no longer available for signing. Note: there is a short delay between when the envelope expires and when it is voided.
@type t() :: %DocuSign.Model.Expirations{ expireAfter: String.t() | nil, expireEnabled: String.t() | nil, expireWarn: String.t() | nil }