export declare enum DialogViewportDataAttributes {
  /**
   * Present when the dialog is open.
   */
  open = "data-open",
  /**
   * Present when the dialog is closed.
   */
  closed = "data-closed",
  /**
   * Present when the dialog is animating in.
   */
  startingStyle = "data-starting-style",
  /**
   * Present when the dialog is animating out.
   */
  endingStyle = "data-ending-style",
  /**
   * Present when the dialog is nested within another dialog.
   */
  nested = "data-nested",
  /**
   * Present when the dialog has other open dialogs nested within it.
   */
  nestedDialogOpen = "data-nested-dialog-open",
}