'Override this to handle special request requirements of zealous
providers.
.. warning::
|classmethod|
:param int request_type:
Type of request.
:param request_elements:
:class:`.RequestElements`
:param credentials:
:class:`.Credentials`
:returns:
:class:`.RequestElements`'

@classmethod
def _x_request_elements_filter(cls, request_type, request_elements, credentials):

    return request_elements
