code: function () {
              var mapping = { };
              _.each(sails.config.policies, function (_policy, controllerId) {
  
                  // Accept `FooController` or `foo`
                  // Case-insensitive
                  controllerId = util.normalizeControllerId(controllerId);
  
                  // Controller-level policy ::
                  // Just map the policy to the controller directly
                  if (!util.isDictionary(_policy)) {
                      mapping[controllerId] = policyHookDef.normalizePolicy(_policy);
                      return;
                  }
  
                  // Policy mapping contains a sub-object ::
                  // So we need to dive in and build/normalize the policy mapping from here
                  // Mapping each policy to each action for this controller
                  mapping[controllerId] = {};
                  _.each( _policy, function (__policy, actionId) {
  
                      // Case-insensitive
                      actionId = actionId.toLowerCase();
  
                      mapping[controllerId][actionId] = policyHookDef.normalizePolicy(__policy);
                  });
              });
  
              return mapping;
          }
docs: Build normalized, hook-internal representation of policy mapping
  by performing a non-destructive parse of `sails.config.policies`
  
  @returns {Object} mapping
  @api private