init init_atrueexpr (
		n_kwtrue: nullable TKwtrue,
		n_annotations: nullable AAnnotations
	)
	do
		_n_kwtrue = n_kwtrue.as(not null)
		n_kwtrue.parent = self
		_n_annotations = n_annotations
		if n_annotations != null then n_annotations.parent = self
	end