diff --git a/sharepoint/SharePoint.d.ts b/sharepoint/SharePoint.d.ts
index 026658ef8..65e1f63a4 100644
--- a/sharepoint/SharePoint.d.ts
+++ b/sharepoint/SharePoint.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for sptypescript
 // Project: http://sptypescript.codeplex.com
-// Definitions by: Stanislav Vyshchepan <http://gandjustas.blogspot.ru> and Andrey Markeev <http://markeev.com>
+// Definitions by: Stanislav Vyshchepan <http://blog.gandjustas.ru> and Andrey Markeev <http://markeev.com>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 /// <reference path="../microsoft-ajax/microsoft.ajax.d.ts" />
@@ -159,6 +159,7 @@ declare class _spPageContextInfo {
     static currentUICultureName: string; //"ru-RU"
     static layoutsUrl: string;  //"_layouts/15"
     static pageListId: string;  //"{06ee6d96-f27f-4160-b6bb-c18f187b18a7}"
+    static pageItemId: number;
     static pagePersonalizationScope: string; //1
     static serverRequestPath: string; //"/SPTypeScript/Lists/ConditionalFormattingTasksList/AllItems.aspx"
     static siteAbsoluteUrl: string; // "https://gandjustas-7b20d3715e8ed4.sharepoint.com"
@@ -2440,7 +2441,7 @@ declare module SP {
         get_webId(): SP.Guid;
         getErrorDetails(): SP.ClientObjectList<SP.AppInstanceErrorDetails>;
         uninstall(): SP.GuidResult;
-        upgrade(appPackageStream: any[]): void;
+        upgrade(appPackageStream: SP.Base64EncodedByteArray): void;
         cancelAllJobs(): SP.BooleanResult;
         install(): SP.GuidResult;
         getPreviousAppVersion(): SP.App;
@@ -2515,8 +2516,8 @@ declare module SP {
         getByFileName(fileName: string): SP.Attachment;
     }
     export class AttachmentCreationInformation extends SP.ClientValueObject {
-        get_contentStream(): any[];
-        set_contentStream(value: any[]): void;
+        get_contentStream(): SP.Base64EncodedByteArray;
+        set_contentStream(value: SP.Base64EncodedByteArray): void;
         get_fileName(): string;
         set_fileName(value: string): void;
         get_typeId(): string;
@@ -3243,7 +3244,7 @@ declare module SP {
         boolean,
         number,
         currency,
-        uRL,
+        URL,
         computed,
         threading,
         guid,
@@ -4812,9 +4813,9 @@ declare module SP {
         getSubwebsForCurrentUser(query: SP.SubwebQuery): SP.WebCollection;
         getAppInstanceById(appInstanceId: SP.Guid): SP.AppInstance;
         getAppInstancesByProductId(productId: SP.Guid): SP.ClientObjectList<SP.AppInstance>;
-        loadAndInstallAppInSpecifiedLocale(appPackageStream: any[], installationLocaleLCID: number): SP.AppInstance;
-        loadApp(appPackageStream: any[], installationLocaleLCID: number): SP.AppInstance;
-        loadAndInstallApp(appPackageStream: any[]): SP.AppInstance;
+        loadAndInstallAppInSpecifiedLocale(appPackageStream: SP.Base64EncodedByteArray, installationLocaleLCID: number): SP.AppInstance;
+        loadApp(appPackageStream: SP.Base64EncodedByteArray, installationLocaleLCID: number): SP.AppInstance;
+        loadAndInstallApp(appPackageStream: SP.Base64EncodedByteArray): SP.AppInstance;
         ensureUser(logonName: string): SP.User;
         applyTheme(colorPaletteUrl: string, fontSchemeUrl: string, backgroundImageUrl: string, shareGenerated: boolean): void;
     }