@classmethod
def mint_uri(cls, target, new_graph, created, basename=None, suffix=''):
    """I mint a fresh URI for a resource of that class.

        This method is called by :class:`rdfrest.cores.mixins.GraphPostableMixin`;
        calling it directly is usually not required.

        :param target:    the resource to which `new_graph` has been posted
        :type  target:    :class:`ILocalCore`
        :param new_graph: a description of the resource for which to mint a URI
        :type  new_graph: rdflib.Graph
        :param created:   the non-URIRef node representing the resource in
                          $`new_graph`
        :type  created:   rdflib.Node
        :param basename:  a base on which the last part of the URI will be
                          generated
        :type  basename:  str
        :param suffix:    a string that will be added at the end of the URI
        :type  suffix:    str

        :rtype: rdflib.URIRef
        """
    raise NotImplementedError
