TRUE if the task was cancelled FALSE if the task was already cancelled
the delay before initially starting the task
a barrier that is set once the task is cancelled
the recurring delay between the task executions
the current state of the periodic task
the time stamp in nanoseconds when the next task will be started
(Since version 1.1.0) Do not use
A trait for a task that after the initial delay expires, is repeatedly started with a specified period in the background. This will continue until the task is cancelled or a failure occurs.