@type t() :: %ExVcom.Model.Ticket{
  createdAt: DateTime.t(),
  description: String.t(),
  designation: String.t(),
  fieldService: String.t(),
  id: String.t(),
  lastChangedAt: DateTime.t() | nil,
  priority: String.t() | nil,
  rectifiedAt: DateTime.t() | nil,
  severity: String.t() | nil,
  status: String.t() | nil,
  summary: String.t() | nil,
  systemKey: String.t()
}