@type t() :: %DocuSign.Model.Comments{
  envelopeId: String.t() | nil,
  hmac: String.t() | nil,
  id: String.t() | nil,
  mentions: [String.t()] | nil,
  read: boolean() | nil,
  sentByEmail: String.t() | nil,
  sentByFullName: String.t() | nil,
  sentByImageId: String.t() | nil,
  sentByInitials: String.t() | nil,
  sentByRecipientId: String.t() | nil,
  sentByUserId: String.t() | nil,
  signingGroupId: String.t() | nil,
  signingGroupName: String.t() | nil,
  subject: String.t() | nil,
  tabId: String.t() | nil,
  text: String.t() | nil,
  threadId: String.t() | nil,
  threadOriginatorId: String.t() | nil,
  timeStampFormatted: String.t() | nil,
  timestamp: String.t() | nil,
  visibleTo: [String.t()] | nil
}