docs: function bind(method, path, controller, action) {
      let handler = controllerRegistry[controller] && controllerRegistry[controller][action]
      if (!handler) {
        console.warn(`can't bind route ${ path } to unknown action ${ controller }.${ action }`)
        return
      }
  
      const policyName = LocalUtil.getPolicyName(policy, controller, action)
      let currentPolicy
      if (policyName) currentPolicy = policyRegistry[policyName]
  
      if (currentPolicy) {
        router[method](path, currentPolicy, handler)
      } else {
        router[method](path, handler)
      }
    }