Property definitions

nitc :: parser_prod $ ASuperstringExpr :: init_asuperstringexpr
	init init_asuperstringexpr (
		n_exprs: Collection[Object], # Should be Collection[AExpr]
		n_annotations: nullable AAnnotations
	)
	do
		self.n_exprs.unsafe_add_all(n_exprs)
		_n_annotations = n_annotations
		if n_annotations != null then n_annotations.parent = self
	end
src/parser/parser_prod.nit:6847,2--6855,4