run
Asynchronous tasks should never access any API in Bukkit. Great care should be taken to assure the thread-safety of asynchronous tasks.
Schedules this to run asynchronously after the specified number of server ticks.
Return
{@link MyScheduledTask}
Parameters
plugin
the reference to the plugin scheduling task
delay
the ticks to wait before running the task
Throws
if plugin is null
if this was already scheduled