🐞 bug report

Affected Package

@angular/router

Is this a regression?

Description

The property documentation strings that are present in the file do not render because this is a type. Per @petebacondarwin, it could just as easily be an interface, which could be properly documented.

🔬 Minimal Reproduction

Compare: https://angular.io/api/router/Navigation
Source doc: packages/router/src/router.ts

/**
 * Information about a navigation operation. Retrieve the most recent
 * navigation object with the {@link Router#getCurrentNavigation()} method.
 *
 * @see [Router#getCurrentNavigation()](api/router/Router#getcurrentnavigation)
 *
 * @publicApi
 */
export type Navigation = {
  /**
   * The unique identifier of the current navigation.
   */
  id: number;
  /**
   * The target URL passed into the `Router#navigateByUrl()` call before navigation. This is
   * the value before the router has parsed or applied redirects to it.
   */
  initialUrl: string | UrlTree;
  /**
   * The initial target URL after being parsed with `UrlSerializer.extract()`.
   */
  extractedUrl: UrlTree;
  /**
   * The extracted URL after redirects have been applied.
   * This URL may not be available immediately, therefore this property can be `undefined`.
   * It is guaranteed to be set after the `RoutesRecognized` event fires.
   */
  finalUrl?: UrlTree;
  /**
   * Identifies how this navigation was triggered.
   *
   * * 'imperative'--Triggered by `router.navigateByUrl` or `router.navigate`.
   * * 'popstate'--Triggered by a popstate event.
   * * 'hashchange'--Triggered by a hashchange event.
   */
  trigger: 'imperative' | 'popstate' | 'hashchange';
  /**
   * Options that controlled the strategy used for this navigation.
   * See `NavigationExtras`.
   */
  extras: NavigationExtras;
  /**
   * The previously successful `Navigation` object. Only one previous navigation
   * is available, therefore this previous `Navigation` object has a `null` value
   * for its own `previousNavigation`.
   */
  previousNavigation: Navigation | null;
};