en_tn_lite_do_not_use/jos/22/28.md

General Information:

The tribes of Reuben, Gad and the half tribe of Manasseh now finish their answer.

If this should be said ... a witness between us and you."

The three tribes are describing their potential answer to an accusation that might or might not be made at a future time. (See: rc://en/ta/man/translate/figs-hypo)