public void waitForListener() throws StopWaitingException {
		try {
			waitForListener(null);
		}
		catch (StartedGhidraProcessExitedException e) {
			// this will never happen when the process sent is null
		}
	}
wait for a Ghidra to be listening and ready.
@throws StopWaitingException in the event waiting for a listener was stopped
Ghidra/Features/GhidraGo/src/main/java/ghidra/app/plugin/core/go/GhidraGoSender.java