Construtor.
The initial value.
The accessibility.
The accessibility, Access.Readable for simulation outputs or Access.Writable for simulation inputs.
Whether there are any subscribers.
The data type.
The value.
The current value.
Subscribes to be notified when an event occurs.
The callback function.
Unsubscribes.
The callback function.
True if the subscription was canceled, false otherwise.
Boolean Signal. A signal for a one-bit value that can be true or false.