Struts 6.7.0, StrutsResultSupport conditionalParse uses com.opensymphony.xwork2.ActionInvocation invocation

"[email protected]" <[email protected]>
Newsgroups gmane.comp.jakarta.struts.devel
Message-ID <[email protected]> 
When upgrading from 6.6.1 to 6.7.0, I run into an issue with an 
overriding class extending StrutsResultSupport:

on line 217 in org.apache.struts2.result.StrutsResultSupport the method

protected String conditionalParse(String param, ActionInvocation 
invocation)

seems to require as an argument 
(com.opensymphony.xwork2.ActionInvocation) invocation instead of the 
migrated (org.apache.struts2.ActionInvocation) invocation which, causes 
then a mismatch in my overriding class.

Questions:

- should the signature in org.apache.struts2.result.StrutsResultSupport 
not be changed to conditionalParse(String 
param, (org.apache.struts2.ActionInvocation) invocation)?
- if not: is it save to use a simple cast like above, when overridding 
or should there be used something like ActionInvocation.adapt(invocation)?

Thanks in advance!

Best regards
Markus
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