# Make a new class (AStdClassdef)
	fun make_class(mclassdef: nullable MClassDef,
					n_visibility: nullable AVisibility,
					n_formaldefs : Collection[AFormaldef],
					n_extern_code_block : nullable AExternCodeBlock,
					n_propdefs : Collection[APropdef],
					n_classkind: nullable AClasskind): AStdClassdef
	do
		return new AStdClassdef.make(mclassdef, n_visibility, n_formaldefs, n_extern_code_block, n_propdefs, n_classkind)
	end