/atom
	///Holds merger groups currently active on the atom. Do not access directly, use GetMergeGroup() instead.
	var/list/datum/merger/mergers

/// Gets a merger datum representing the connected blob of objects in the allowed_types argument
/atom/proc/GetMergeGroup(id, list/allowed_types)
	RETURN_TYPE(/datum/merger)
	var/datum/merger/candidate
	if(mergers)
		candidate = mergers[id]
	if(!candidate)
		new /datum/merger(id, allowed_types, src)
		candidate = mergers[id]
	return candidate