StackTraceElement stackTraceElement = originalStack[caller];
            if (!isSystemStackFrame(stackTraceElement.getClassName())) {
                result.add(stackTraceElement);
            }
        }
        return result;
    }

    private static boolean isSystemStackFrame(String className) {
        return className.startsWith("jdk.internal.") ||
            className.startsWith("sun.") ||