Issue #3114545 by Deepthi kumari, joachim: docs for role constants mention...

interface RoleInterface extends ConfigEntityInterface {

  /**

   * Role ID for anonymous users; should match what's in the "role" table.

   * Role ID for anonymous users; should match the 'role' entity ID.

   */

  const ANONYMOUS_ID = AccountInterface::ANONYMOUS_ROLE;

  /**

   * Role ID for authenticated users; should match what's in the "role" table.

   * Role ID for authenticated users; should match the 'role' entity ID.

   */

  const AUTHENTICATED_ID = AccountInterface::AUTHENTICATED_ROLE;