Class org.springframework.web.context.request.async.DeferredResult

Change from final to non-final.

Changed Methods
boolean isSetOrExpired()	Change from non-final to final.	Return {@code true} if this DeferredResult is no longer usable either because it was previously set or because the underlying request expired.
void setResultHandler(DeferredResultHandler)	Documentation changed from old to new. Change from non-final to final.	Provide a handler to use to handle the result value.