improve

Author: Miller

projects/ng-busy/src/public_api.ts

@@ -2,6 +2,8 @@
  * Public API Surface of ng-busy
  */
 
+import {IBusyConfig} from './lib/model/busy-config';
+
 export * from './lib/ng-busy.module';
-export * from './lib/model/busy-config';
-export { NgBusyDirective } from './lib/ng-busy.directive';
+export {IBusyConfig} from './lib/model/busy-config';
+export {NgBusyDirective} from './lib/ng-busy.directive';