src/vs/platform/extensionManagement/common/extensionManagementCLIService.ts/ExtensionManagementCLIService/notInstalled
class ExtensionManagementCLIService:	private notInstalled(id: string) {
		return this.location ? localize('notInstalleddOnLocation', "Extension '{0}' is not installed on {1}.", id, this.location) : localize('notInstalled', "Extension '{0}' is not installed.", id);
	}