-Xdump command-line option syntax

1 -Xdump:
2 help
2 none
2 events
2 request
2 tokens
2 dynamic
2 what
2+ +
2 <agent>
2.1? 
2.1 :
2.1.1 help
2.1.1 none
2.1.1 defaults
2.1.1+ ,
2.1.1 events=
2.1.1.1+ +
2.1.1.1 <event>
2.1.1 exec=<command>
2.1.1 file=<filename>
2.1.1 filter=<filter>
2.1.1 opts=<options>
2.1.1 priority=<0-999>
2.1.1 range=<ranges>
2.1.1 request=<requests>