redef fun process_nmodule_after(nmodule) do
		var first_mmodule = nmodule.mmodule
		if first_mmodule == null then return

		# Be careful not to generate useless submodules !
		if not first_mmodule.generate_actor_submodule then return

		# Name of the support module
		var module_name

		# Path to the support module
		module_name = "actors_{first_mmodule.name}"

		# We assume a module using actors has a `filepath` not null
		var mmodule_path = first_mmodule.filepath.as(not null).dirname

		var module_path = "{mmodule_path}/{module_name}.nit"

		var nit_module = new NitModule(module_name)
		nit_module.annotations.add "no_warning(\"missing-doc\")"

		nit_module.header = """
		# This file is generated by nitactors (threaded version)
		# Do not modify, instead use the generated services.
		"""

		# for mmod in mmodules do nit_module.imports.add mmod.name
		nit_module.imports.add first_mmodule.name

		generated_actor_modules.add(module_name)
		var idx = generated_actor_modules.index_of(module_name)
		for i in [0..idx[ do nit_module.imports.add(generated_actor_modules[i])

		nit_module.content.add "####################### Redef classes #########################"
		for c in redef_classes do nit_module.content.add( c + "\n\n" )

		nit_module.content.add "####################### Actor classes #########################"
		for c in actors do nit_module.content.add( c + "\n\n" )

		nit_module.content.add "####################### Messages classes ######################"
		for c in messages do nit_module.content.add( c + "\n\n" )

		nit_module.content.add "####################### Proxy classes #########################"
		for c in proxys do nit_module.content.add( c + "\n\n" )

		# Write support module
		nit_module.write_to_file module_path

		actors.clear
		messages.clear
		proxys.clear
		redef_classes.clear

		toolcontext.modelbuilder.inject_module_subimportation(first_mmodule, module_path)
	end