diff --git a/angularjs/angular-mocks.d.ts b/angularjs/angular-mocks.d.ts
index ade823572..429c7b526 100644
--- a/angularjs/angular-mocks.d.ts
+++ b/angularjs/angular-mocks.d.ts
@@ -97,6 +97,17 @@ declare namespace angular {
         logs: string[];
     }
 
+    ///////////////////////////////////////////////////////////////////////////
+    // ComponentControllerService
+    // see https://docs.angularjs.org/api/ngMock/service/$componentController
+    ///////////////////////////////////////////////////////////////////////////
+    interface IComponentControllerService {
+      // TBinding is an interface exposed by a component as per John Papa's style guide
+      // https://github.com/johnpapa/angular-styleguide/blob/master/a1/README.md#accessible-members-up-top
+      <T, TBinding>(componentName: string, locals: { $scope: IScope, [key: string]: any }, bindings?: TBinding, ident?: string): T;
+    }
+
+
     ///////////////////////////////////////////////////////////////////////////
     // HttpBackendService
     // see https://docs.angularjs.org/api/ngMock/service/$httpBackend