(i) An expert to use, in any litigation or dispute (including any reasonably foreseeable litigation or dispute) involving the Government in any trial, hearing, or proceeding before any court, administrative tribunal, or agency, whether or not the expert is expected to testify. Examples of such services include, but are not limited to:

(A) Assisting the Government in the analysis, presentation, or defense of any claim or request for adjustment to contract terms and conditions, whether asserted by a contractor or the Government, which is in litigation or dispute, or is anticipated to result in dispute or litigation before any court, administrative tribunal, or agency; or

(B) Participating in any part of an alternative dispute resolution process, including but not limited to evaluators, fact finders, or witnesses, regardless of whether the expert is expected to testify; or