coincidentBaffleInteraction missing from the source code (but present in the documentation?)

In the files multiInteraction.C and multiInteraction.H, there is some reference to a feature / keyword "coincidentBaffleInteraction". While it is documented, it seems that the feature has not been implemented and the keyword is not working.

Seems to be a long-standing issue:
https://bugs.openfoam.org/view.php?id=2939
https://www.cfd-online.com/Forums/openfoam-solving/141571-cyclic-boundary-conditions-particles.html

added bug community labels

changed the description

assigned to @andy

@Sergio's conincident baffle code was never released - added here: libcoincidentBaffles.tgz

Can look to add if useful.