init init_astdclassdef (
		n_doc: nullable ADoc,
		n_kwredef: nullable TKwredef,
		n_visibility: nullable AVisibility,
		n_classkind: nullable AClasskind,
		n_qid: nullable AQclassid,
		n_obra: nullable TObra,
		n_formaldefs: Collection[Object], # Should be Collection[AFormaldef]
		n_cbra: nullable TCbra,
		n_extern_code_block: nullable AExternCodeBlock,
		n_propdefs: Collection[Object], # Should be Collection[APropdef]
		n_kwend: nullable TKwend
	)
	do
		_n_doc = n_doc
		if n_doc != null then n_doc.parent = self
		_n_kwredef = n_kwredef
		if n_kwredef != null then n_kwredef.parent = self
		_n_visibility = n_visibility.as(not null)
		n_visibility.parent = self
		_n_classkind = n_classkind.as(not null)
		n_classkind.parent = self
		_n_qid = n_qid
		if n_qid != null then n_qid.parent = self
		_n_obra = n_obra
		if n_obra != null then n_obra.parent = self
		self.n_formaldefs.unsafe_add_all(n_formaldefs)
		_n_cbra = n_cbra
		if n_cbra != null then n_cbra.parent = self
		_n_extern_code_block = n_extern_code_block
		if n_extern_code_block != null then n_extern_code_block.parent = self
		self.n_propdefs.unsafe_add_all(n_propdefs)
		_n_kwend = n_kwend.as(not null)
		n_kwend.parent = self
	end