Merge VS Code 1.31.1 (#4283)

src/vs/platform/statusbar/common/statusbar.ts

@@ -6,6 +6,7 @@
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
 import { IDisposable } from 'vs/base/common/lifecycle';
 import { ThemeColor } from 'vs/platform/theme/common/themeService';
+import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
 
 export const IStatusbarService = createDecorator<IStatusbarService>('statusbarService');
 
@@ -23,37 +24,37 @@ export interface IStatusbarEntry {
 	 *
 	 * `My text ${icon name} contains icons like ${icon name} this one.`
 	 */
-	text: string;
+	readonly text: string;
 
 	/**
 	 * An optional tooltip text to show when you hover over the entry
 	 */
-	tooltip?: string;
+	readonly tooltip?: string;
 
 	/**
 	 * An optional color to use for the entry
 	 */
-	color?: string | ThemeColor;
+	readonly color?: string | ThemeColor;
 
 	/**
 	 * An optional id of a command that is known to the workbench to execute on click
 	 */
-	command?: string;
+	readonly command?: string;
 
 	/**
 	 * Optional arguments for the command.
 	 */
-	arguments?: any[];
+	readonly arguments?: any[];
 
 	/**
 	 * An optional extension ID if this entry is provided from an extension.
 	 */
-	extensionId?: string;
+	readonly extensionId?: ExtensionIdentifier;
 
 	/**
 	 * Wether to show a beak above the status bar entry.
 	 */
-	showBeak?: boolean;
+	readonly showBeak?: boolean;
 }
 
 export interface IStatusbarService {