def METHOD_NAME(self):
    if self.permissions:
        return self.permissions
    m = self.manager.resource_type
    method = self.method_perm
    if not method and 'op' not in self.method_spec:
        return ()
    if not method:
        method = self.method_spec['op']
    component = m.component
    if '.' in component:
        component = component.split('.')[-1]
    return ("{}.{}.{}".format(
        m.perm_service or m.service, component, method),)