angular/goldens/public-api/router/errors.md
Andrew Scott 5163e3d876 feat(router): Add UrlTree constructor to public API (#47186)
The `UrlTree` is a fundamental concept in the router's API design.
Generally speaking, a `UrlTree` would be constructed via things like
`Router.createUrlTree` or `UrlSerializer#parse`. The second example here
is the core reason to make the constructor public, regardless of how
develpers generally create a `UrlTree` in an application.

Applications can provide their own `UrlSerializer` and may want to implement their
own `parse` method. This means they would also need to create a
`UrlTree` but would not be able to do so effectively because the
constructor is marked `@internal`.

In addition, the `UrlTree` constructor only has 3 parameters, all of
which are already public. There's nothing "special" about it other than
the potential desire to push developers to use other methods for
constructing a `UrlTree` (i.e. `Router.createUrlTree`).

Also see http://b/234604699#comment9 for additional context.

PR Close #47186
2022-08-22 10:44:52 -07:00

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## API Report File for "angular-srcs"
> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
```ts
// @public
export const enum RuntimeErrorCode {
// (undocumented)
EMPTY_PATH_WITH_PARAMS = 4009,
// (undocumented)
FOR_ROOT_CALLED_TWICE = 4007,
// (undocumented)
INVALID_DOUBLE_DOTS = 4005,
// (undocumented)
INVALID_ROOT_URL_SEGMENT = 4015,
// (undocumented)
INVALID_ROUTE_CONFIG = 4014,
// (undocumented)
MISPLACED_OUTLETS_COMMAND = 4004,
// (undocumented)
MISSING_REDIRECT = 4001,
// (undocumented)
NAMED_OUTLET_REDIRECT = 4000,
// (undocumented)
NO_MATCH = 4002,
// (undocumented)
NULLISH_COMMAND = 4008,
// (undocumented)
OUTLET_ALREADY_ACTIVATED = 4013,
// (undocumented)
OUTLET_NOT_ACTIVATED = 4012,
// (undocumented)
ROOT_SEGMENT_MATRIX_PARAMS = 4003,
// (undocumented)
TWO_SEGMENTS_WITH_SAME_OUTLET = 4006,
// (undocumented)
UNEXPECTED_VALUE_IN_URL = 4011,
// (undocumented)
UNPARSABLE_URL = 4010
}
// (No @packageDocumentation comment for this package)
```