src/vs/workbench/contrib/extensions/browser/extensionsActions.ts/ReloadAction/constructor
class ReloadAction:	constructor(
		@IHostService private readonly hostService: IHostService,
		@IExtensionService private readonly extensionService: IExtensionService,
	) {
		super('extensions.reload', localize('reloadAction', "Reload"), ReloadAction.DisabledClass, false);
		this._register(this.extensionService.onDidChangeExtensions(() => this.update()));
		this.update();
	}