Retrieves links for the response.

Retrieves the handler that was used to generate the response.

Retrieves the route that was used.

Checks if the response is an error, i.e. >= 400 response code.

Sets a single link header.

Removes a link from the response.

Sets the handler that was responsible for generating the response.

Sets the route (regex for path) that caused the response.

Core class used to implement the WordPress REST API server.

Instantiates the REST server.