NewFileClient creates an instance of Client based on the file status specified in the path.

NewFileController creates a new Controller implementation which creates a file at the specified path only when the registered emitters are all available.

NewProbe creates a new Emitter instance.

Options customizes the parameters of a probe.

Probe manages the availability status used by Controller.

Client is the interface to check the status of a probe controller.

Controller provides the internal interface to handle events coming from Emitters.

SupportsProbe provides the interface to register itself to a controller.