def METHOD_NAME(self, kinds):
    self.kind_filter = None
    self.request_params = {}
    if isinstance(kinds, set) or isinstance(kinds, list):
        if len(kinds) == 1:
            kinds = kinds[0]
        else:
            # Client-side filtering
            self.kind_filter = set(kinds)
    if isinstance(kinds, basestring):
        self.request_params['fieldSelector'] = 'involvedObject.kind=' + kinds