@type t() :: %Procore.Model.ChecklistItemAttachment1{
  attachment: Procore.Model.ChecklistItemAttachment1Attachment.t() | nil,
  created_at: DateTime.t() | nil,
  created_by: Procore.Model.ChecklistItemAttachment1CreatedBy.t() | nil,
  id: integer() | nil,
  item_id: integer() | nil
}