class AWS::Core::JSONClient

def extract_error_details response
  if
    response.http_response.status >= 300 and
    body = response.http_response.body and
    json = (::JSON.load(body) rescue nil) and
    type = json["__type"]
  then
    code = type.split('#').last
    if code == 'RequestEntityTooLarge'
      message = 'Request body must be less than 1 MB'
    else
      message = json['message'] || json['Message']
    end
    [code, message]
  end
end