@type t() :: %DocuSign.Model.TabMetadata{
  anchor: String.t() | nil,
  anchorCaseSensitive: String.t() | nil,
  anchorHorizontalAlignment: String.t() | nil,
  anchorIgnoreIfNotPresent: String.t() | nil,
  anchorMatchWholeWord: String.t() | nil,
  anchorUnits: String.t() | nil,
  anchorXOffset: String.t() | nil,
  anchorYOffset: String.t() | nil,
  bold: String.t() | nil,
  collaborative: String.t() | nil,
  concealValueOnDocument: String.t() | nil,
  createdByDisplayName: String.t() | nil,
  createdByUserId: String.t() | nil,
  customTabId: String.t() | nil,
  disableAutoSize: String.t() | nil,
  editable: String.t() | nil,
  font: String.t() | nil,
  fontColor: String.t() | nil,
  fontSize: String.t() | nil,
  height: String.t() | nil,
  includedInEmail: String.t() | nil,
  initialValue: String.t() | nil,
  italic: String.t() | nil,
  items: [String.t()] | nil,
  lastModified: String.t() | nil,
  lastModifiedByDisplayName: String.t() | nil,
  lastModifiedByUserId: String.t() | nil,
  localePolicy: DocuSign.Model.LocalePolicyTab.t() | nil,
  locked: String.t() | nil,
  maxNumericalValue: String.t() | nil,
  maximumLength: String.t() | nil,
  mergeField: DocuSign.Model.MergeField.t() | nil,
  minNumericalValue: String.t() | nil,
  name: String.t() | nil,
  numericalValue: String.t() | nil,
  paymentItemCode: String.t() | nil,
  paymentItemDescription: String.t() | nil,
  paymentItemName: String.t() | nil,
  requireAll: String.t() | nil,
  requireInitialOnSharedChange: String.t() | nil,
  required: String.t() | nil,
  scaleValue: String.t() | nil,
  selected: String.t() | nil,
  shared: String.t() | nil,
  signatureProviderId: String.t() | nil,
  stampType: String.t() | nil,
  stampTypeMetadata: DocuSign.Model.PropertyMetadata.t() | nil,
  tabLabel: String.t() | nil,
  type: String.t() | nil,
  underline: String.t() | nil,
  validationMessage: String.t() | nil,
  validationPattern: String.t() | nil,
  validationType: String.t() | nil,
  width: String.t() | nil
}