class AWS::DynamoDB::Item

def self.new_from(op, response_object, table, *args)
  config = args.last.is_a?(Hash) ? args.last : AWS.config
  table.assert_schema!
  hash_value =
    value_from_response(response_object[table.hash_key.name])
  range_value =
    value_from_response(response_object[table.range_key.name]) if
    table.range_key
  raise "missing hash key value in put_item response" unless hash_value
  raise "missing range key value in put_item response" unless
    range_value || !table.range_key
  super(op, response_object,
        table, hash_value, range_value, *args)
end