module.exports = function extend(Proto) {
  Vaulted.getLeaseRenewEndpoint = _.partial(Proto.validateEndpoint, 'sys/renew/:id');
  Vaulted.getLeaseRevokeEndpoint = _.partial(Proto.validateEndpoint, 'sys/revoke/:id');
  Vaulted.getLeaseRevokePrefixEndpoint = _.partial(Proto.validateEndpoint, 'sys/revoke-prefix/:id');
  _.extend(Proto, Vaulted);