Move back one page in the history.
Registers a blocker that prevents navigation with history.
A blocker to register.
A callback that removes blocker.
Move forward one page in the history.
Move forwards and backwards through the history depending on the delta.
The position in the history to which you want to move, relative to the current page. A negative value moves backwards, a positive value moves forwards.
Modifies the current history entry, replacing it with the state object and URL passed in the method parameters.
Subscribe to location changes.
A listener to subscribe.
A callback to unsubscribe a listener.
A history abstraction.