Class representing a signal defined in an object. Constructs a null [Signal] with no object nor signal name bound. Constructs a [Signal] as a copy of the given [Signal]. Creates a new [Signal] with the name [code]signal[/code] in the specified [code]object[/code]. Connects this signal to the specified [Callable], optionally providing binds and connection flags. Disconnects this signal from the specified [Callable]. Emits this signal to all connected objects. Returns the list of [Callable]s connected to this signal. Returns the name of this signal. Returns the object emitting this signal. Returns the ID of the object emitting this signal (see [method Object.get_instance_id]). Returns [code]true[/code] if the specified [Callable] is connected to this signal.