      """
  
      parsers = parsers.DEFAULT_PARSERS
      """
      List of parsers the resource can parse the request with.
      """
  
      authentication = (authentication.UserLoggedInAuthentication,
                         authentication.BasicAuthentication)
      """
 
</s> remove     parsers = parsers.DEFAULT_PARSERS
 </s> add     parser_classes = parsers.DEFAULT_PARSERS </s> remove     List of renderers the resource can serialize the response with, ordered by preference.
 </s> add     List of renderer classes the resource can serialize the response with, ordered by preference. </s> remove         Returns a subclass of Django's `HttpRequest` with a richer API,
        as described in :mod:`request`.
 </s> add         Instantiates and returns the list of parsers that will be used by the request
        to parse its content. </s> remove     The set of parsers that the request can handle.
 </s> add     The set of parsers that the view can handle. </s> remove     _USE_FORM_OVERLOADING = True
    _METHOD_PARAM = '_method'
    _CONTENTTYPE_PARAM = '_content_type'
    _CONTENT_PARAM = '_content'

    parsers = ()
 </s> add     parser_classes = ()
    List of parser classes the resource can parse the request with.
      """
  
      parsers = parsers.DEFAULT_PARSERS
      """
    List of parser classes the resource can parse the request with.
      """
  
      authentication = (authentication.UserLoggedInAuthentication,
                         authentication.BasicAuthentication)
      """
keep keep keep keep replace keep keep keep keep keep
 cleaned Request/Response/mixins to have similar interface 
djangorestframework/views.py