Package-level declarations

A common interface for all navigation callbacks must extend.

A common interface for all synchronous navigation callbacks must extend.

This callback is invoked when the engine is about to display an error web page because the web server sends an empty HTTP response with the HTTP status code that represents an error.

This callback is invoked when the engine is about to display a network error web page because the required web resource cannot be loaded because of a network error.

This callback is invoked before the engine starts navigation to a resource.