diff --git a/ionic/components/action-sheet/action-sheet.ts b/ionic/components/action-sheet/action-sheet.ts
index 42db9be437..ede74cfb9f 100644
--- a/ionic/components/action-sheet/action-sheet.ts
+++ b/ionic/components/action-sheet/action-sheet.ts
@@ -130,7 +130,8 @@ import {ViewController} from '../nav/view-controller';
      title?: string,
      subTitle?: string,
      cssClass?: string,
-     buttons?: Array<any>
+     buttons?: Array<any>,
+     enableBackdropDismiss?: boolean
    } = {}) {
      return new ActionSheet(opts);
    }
diff --git a/ionic/decorators/app.ts b/ionic/decorators/app.ts
index e83b531b20..bf016d577b 100644
--- a/ionic/decorators/app.ts
+++ b/ionic/decorators/app.ts
@@ -1,4 +1,4 @@
-import {Component, enableProdMode} from 'angular2/core';
+import {Component, ChangeDetectionStrategy, ViewEncapsulation, enableProdMode, Type} from 'angular2/core';
 import {bootstrap} from 'angular2/platform/browser';
 import {TapClick} from '../components/tap-click/tap-click';
 import {ionicProviders} from '../config/bootstrap';
@@ -6,11 +6,40 @@ import {IONIC_DIRECTIVES} from '../config/directives';
 
 const _reflect: any=Reflect;
 
+export interface AppMetadata {
+  prodMode?: boolean;
+  selector?: string;
+  inputs?: string[];
+  outputs?: string[];
+  properties?: string[];
+  events?: string[];
+  host?: {
+      [key: string]: string;
+  };
+  providers?: any[];
+  directives?: Array<Type | any[]>;
+  pipes?: Array<Type | any[]>;
+  exportAs?: string;
+  queries?: {
+      [key: string]: any;
+  };
+  template?: string;
+  templateUrl?: string;
+  moduleId?: string;
+  styleUrls?: string[];
+  styles?: string[];
+  changeDetection?: ChangeDetectionStrategy;
+  encapsulation?: ViewEncapsulation;
+}
+
 /**
 * @name App
 * @description
-* App is an Ionic decorator that bootstraps an application. It can be passed a number of arguments, that act as global config variables for the app.
-* App can accept a `template` property that has an inline template or a `templateUrl` property that points to an external html template.
+* App is an Ionic decorator that bootstraps an application. It can be passed a
+* number of arguments that act as global config variables for the app.
+* `@App` is similar to Angular's `@Component` in which it can accept a `template`
+* property that has an inline template, or a `templateUrl` property that points
+* to an external html template.
 *
 * @usage
 * ```ts
@@ -26,13 +55,14 @@ const _reflect: any=Reflect;
 * }
 * ```
 *
-* @property {object} [config] - the app's {@link /docs/v2/api/config/Config/ Config} object
-* @property {array}  [providers] - any providers for your app
-* @property {string} [template] - the template to use for the app root
-* @property {string} [templateUrl] - a relative URL pointing to the template to use for the app root
-*
+* @property {object} [config] - the app's {@link /docs/v2/api/config/Config/ Config} object.
+* @property {boolean} [prodMode] - Enable Angular's production mode, which turns off assertions and other checks within the framework. Defaults to `false`.
+* @property {array}  [pipes] - any pipes for your app.
+* @property {array}  [providers] - any providers for your app.
+* @property {string} [template] - the template to use for the app root.
+* @property {string} [templateUrl] - a relative URL pointing to the template to use for the app root.
 */
-export function App(args: any={}) {
+export function App(args: AppMetadata) {
 
   return function(cls) {
     // get current annotations
@@ -58,7 +88,7 @@ export function App(args: any={}) {
     let providers = ionicProviders(args).concat(args.providers || []);
 
     if (args.prodMode) {
-        enableProdMode();
+      enableProdMode();
     }
 
     bootstrap(cls, providers).then(appRef => {
diff --git a/ionic/decorators/page.ts b/ionic/decorators/page.ts
index e68bcf38c7..f7511f5fcf 100644
--- a/ionic/decorators/page.ts
+++ b/ionic/decorators/page.ts
@@ -1,8 +1,33 @@
-import {Component} from 'angular2/core'
+import {Component, ChangeDetectionStrategy, ViewEncapsulation, Type} from 'angular2/core'
 import {IONIC_DIRECTIVES} from '../config/directives';
 
 const _reflect: any=Reflect;
 
+export interface PageMetadata {
+  selector?: string;
+  inputs?: string[];
+  outputs?: string[];
+  properties?: string[];
+  events?: string[];
+  host?: {
+      [key: string]: string;
+  };
+  providers?: any[];
+  directives?: Array<Type | any[]>;
+  pipes?: Array<Type | any[]>;
+  exportAs?: string;
+  queries?: {
+      [key: string]: any;
+  };
+  template?: string;
+  templateUrl?: string;
+  moduleId?: string;
+  styleUrls?: string[];
+  styles?: string[];
+  changeDetection?: ChangeDetectionStrategy;
+  encapsulation?: ViewEncapsulation;
+}
+
 /**
  * @name Page
  * @description
@@ -71,7 +96,7 @@ const _reflect: any=Reflect;
  *
  * For more information on how pages are created, see the [NavController API reference](../../components/nav/NavController/#creating_pages)
  */
-export function Page(config: any={}) {
+export function Page(config: PageMetadata) {
   return function(cls) {
     config.selector = 'ion-page';
     config.directives = config.directives ? config.directives.concat(IONIC_DIRECTIVES) : IONIC_DIRECTIVES;