Minimum duration to allow for exits to be processed.
Whether or not to accept undefined flags
The remaining, unparsed arguments
Notify the application that it may stop running.
closable when shutdown is requested.
Default amount of time to wait for shutdown.
The com.twitter.app.Flags instance associated with this application
f before anything else (including flag parsing).
The name of the application, based on the classname
f when shutdown is requested.
f after the user's main has exited.
f right before the user's main is invoked.