https://docs.oracle.com/en/java/javase/11/docs/api/java.management/javax/management/loading/MLetMBean.html
MLetMBean (Java SE 11 & JDK 11 )
java sejdk
https://docs.oracle.com/javase/jp/6/api/javax/management/loading/MLetMBean.html
MLetMBean (Java Platform SE 6)
java platformse