- `false` -- the user opted out from using the feature
- `undefined` -- the user neither opted in nor opted out from using the feature

The link:{javadocPath}/org/gradle/api/configuration/BuildFeature.html#getActive--[`BuildFeature.getActive()`] status of a build feature is always defined.
It represents the effective state of the feature in the build.

When the `active` provider value is:

	needspinning atomic.Uint32 // See "Delicate dance" comment in proc.go. Boolean. Must hold sched.lock to set to 1.

	// Global runnable queue.
	runq     gQueue
	runqsize int32

	// disable controls selective disabling of the scheduler.
	//
	// Use schedEnableUser to control this.
	//
	// disable is protected by sched.lock.
	disable struct {
		// user disables scheduling of user goroutines.
		user     bool