  
      # TODO: test the different validation here to allow for get get_absolute_url to be supplied on input and not bork out
      # TODO: be really strict on fields - check they match in the handler methods. (this isn't a validator thing tho.)
      def validate(self, content):
          """Given some content as input return some cleaned, validated content.
          Raises a ErrorResponse with status code 400 (Bad Request) on failure.
          
          Validation is standard form or model form validation,
          with an additional constraint that no extra unknown fields may be supplied,
          and that all fields specified by the fields class attribute must be supplied,
 
</s> remove         """Given some content as input return some cleaned, validated content.
 </s> add         """
        Given some content as input return some cleaned, validated content. </s> remove         If the 'field-errors' key exists it is a dict of {field name as string: list of errors as strings}."""
 </s> add         If the 'field-errors' key exists it is a dict of {field name as string: list of errors as strings}.
        """ </s> remove         provide a form that can be used to submit arbitrary content."""
 </s> add         provide a form that can be used to submit arbitrary content.
        """ </s> remove         """Get a form, possibly bound to either the input or output data.
 </s> add         """
        Get a form, possibly bound to either the input or output data. </s> remove     """A Resource determines how an object maps to a serializable entity.
    Objects that a resource can act on include plain Python object instances, Django Models, and Django QuerySets."""
 </s> add     """
    A Resource determines how a python object maps to some serializable data.
    Objects that a resource can act on include plain Python object instances, Django Models, and Django QuerySets.
    """
        """
        Given some content as input return some cleaned, validated content.
  
      # TODO: test the different validation here to allow for get get_absolute_url to be supplied on input and not bork out
      # TODO: be really strict on fields - check they match in the handler methods. (this isn't a validator thing tho.)
      def validate(self, content):
        """
        Given some content as input return some cleaned, validated content.
          Raises a ErrorResponse with status code 400 (Bad Request) on failure.
          
          Validation is standard form or model form validation,
          with an additional constraint that no extra unknown fields may be supplied,
          and that all fields specified by the fields class attribute must be supplied,
keep keep keep keep replace keep keep keep keep keep
 More tests, getting new serialization into resource 
djangorestframework/validators.py