public B popupMenuGroup(String group, String subGroup) {
		popupGroup = group;
		popupSubGroup = subGroup;
		return self();
	}
Sets the group and sub-group for the action in the pop-up menu.  Actions in the same group
will appear next to other actions in the same group and actions in different groups will
be separated by menu dividers.  The sub-group is used to order the actions within the group

@param group the group used to clump actions together
@param subGroup the sub-group used to order actions within a group
@return this builder (for chaining)
@see #popupMenuGroup(String)
Ghidra/Framework/Docking/src/main/java/docking/action/builder/AbstractActionBuilder.java