@type t() :: %DocuSign.Model.GroupUsers{
  endPosition: String.t() | nil,
  nextUri: String.t() | nil,
  previousUri: String.t() | nil,
  resultSetSize: String.t() | nil,
  startPosition: String.t() | nil,
  totalSetSize: String.t() | nil,
  users: [DocuSign.Model.UserInfo.t()] | nil
}