20   private void Start(Consumer<String> reporter) {  in Start()  argument
21     reporter.accept("hello - private");  in Start()
24   private void Finish(Consumer<String> reporter) {  in Finish()  argument
25     reporter.accept("goodbye - private");  in Finish()
28   public void sayHi(Runnable r, Consumer<String> reporter) {  in sayHi()  argument
29     reporter.accept("Pre Start private method call");  in sayHi()
30     Start(reporter);  in sayHi()
31     reporter.accept("Post Start private method call");  in sayHi()
33     reporter.accept("Pre Finish private method call");  in sayHi()
34     Finish(reporter);  in sayHi()
35     reporter.accept("Post Finish private method call");  in sayHi()