package org.jvirtanen.nassau.util;

public class SystemClock implements Clock {

    public static final SystemClock INSTANCE = new SystemClock();

    @Override
    public long currentTimeMillis() {
        return System.currentTimeMillis();
    }

}

@@ -141,16 +141,51 @@
 ock();%0A%0A
+    private SystemClock() %7B%0A    %7D%0A%0A
     @Ove

Clean up interface for system clock