Context.current(), the previously current context
is returned.Callable with this context as the Context.current() context.null) for the
cancellation.Context.isCancelled() then return the cause of the cancellation or
null if context was cancelled without a cause.null as
the Context.ROOT context is implicitly associated with all threads.Context.current() context when Executor.execute(java.lang.Runnable)
is called as the Context.current() context of the Runnable scheduled.Executor so that it always executes with this context as the Context.current()
context.Context.current() context for this key.Deadline at which it will be automatically cancelled.this deadline before another.Context.Key with the given debug name.Context.Key with the given debug name and default value.this or an other deadline.this.Context.CancellationListener.Context.current() if no other context is bound.Runnable with this context as the Context.current() context.Deadline.duration from now.Runnable so that it executes with this context as the Context.current() context.Callable so that it executes with this context as the Context.current() context.