saga mode design question

## Why you need it?
Is your feature request related to a problem? Please describe in details

I want to integration saga mode to other framework for example: jfinal , but some base class is depend on spring,
for exmaple : interface class StateMachineConfig must use ApplicationContext, this design can be modify ?

## How it could be?
A clear and concise description of what you want to happen. You can explain more about input of the feature, and output of it.

Cancel some base interface class depend on spring, It is use for other framework to expand it ?

## Other related information
Add any other context or screenshots about the feature request here.