private static Set<String> getExecutorClassNames() {
        Set<String> executorClassNames = new HashSet<>();

        executorClassNames.add(THREAD_POOL_EXECUTOR_CLASS_NAME);
        executorClassNames.add("java.util.concurrent.ScheduledThreadPoolExecutor");

        return executorClassNames;
    }
{@link TtlTransformlet} for {@link java.util.concurrent.ThreadPoolExecutor}
and {@link java.util.concurrent.ScheduledThreadPoolExecutor}.

@author Jerry Lee (oldratlee at gmail dot com)
@author wuwen5 (wuwen.55 at aliyun dot com)
@see java.util.concurrent.ThreadPoolExecutor
@see java.util.concurrent.ScheduledThreadPoolExecutor
ttl-agent/src/main/java/com/alibaba/ttl3/agent/transformlet/internal/JdkExecutorTtlTransformlet.java