class Aws::Xml::Parser::StructureFrame

def child_frame(xml_name)
  if @member = @members[xml_name]
    Frame.new(xml_name, self, @member[:ref])
  elsif @ref.shape.union
    UnknownMemberFrame.new(xml_name, self, nil, @result)
  else
    NullFrame.new(xml_name, self)
  end
end