Registers rules to handle events.
eventName Name of the event this function affects.
webViewInstanceId If provided, this is an integer that uniquely
identfies the
Returns currently registered rules.
eventName Name of the event this function affects.
webViewInstanceId If provided, this is an integer that uniquely
identfies the
Unregisters currently registered rules.
eventName Name of the event this function affects.
webViewInstanceId If provided, this is an integer that uniquely
identfies the