class Aws::Json::Handler

def parse_body(context)
  if simple_json?(context)
    Json.load(context.http_response.body_contents)
  elsif rules = context.operation.output
    json = context.http_response.body_contents
    if json.is_a?(Array)
      # an array of emitted events
      if json[0].respond_to?(:response)
        # initial response exists
        # it must be the first event arrived
        resp_struct = json.shift.response
      else
        resp_struct = context.operation.output.shape.struct_class.new
      end
      rules.shape.members.each do |name, ref|
        if ref.eventstream
          resp_struct.send("#{name}=", json.to_enum)
        end
      end
      resp_struct
    else
      Parser.new(rules).parse(json == '' ? '{}' : json)
    end
  else
    EmptyStructure.new
  end
end