'Represent a response from the server.
:Parameters:
- `data`: Raw BSON bytes.
- `address`: (host, port) of the source server.
- `request_id`: The request id of this operation.
- `duration`: The duration of the operation.
- `from_command`: if the response is the result of a db command.'

def __init__(self, data, address, request_id, duration, from_command):

    self._data = data
    self._address = address
    self._request_id = request_id
    self._duration = duration
    self._from_command = from_command
