# Methods tagged with `before_all` at the module level (in `Sys`)
	private fun before_all: Array[MMethodDef] do
		var res = new Array[MMethodDef]
		for mmodule in in_importation.greaters do
			for mclassdef in mmodule.mclassdefs do
				if mclassdef.name != "Sys" then continue
				for mpropdef in mclassdef.mpropdefs do
					if not mpropdef isa MMethodDef or not mpropdef.is_before_all then continue
					res.add mpropdef
				end
			end
		end
		var lin = res.to_a
		linearize_mpropdefs(lin)
		return lin
	end