src/vs/platform/extensionManagement/node/extensionManagementService.ts/ExtensionManagementService/addExtensionsToProfile
class ExtensionManagementService:	private async addExtensionsToProfile(extensions: ILocalExtension[], profileLocation: URI): Promise<void> {
		await this.extensionsProfileScannerService.addExtensionsToProfile(extensions.map(local => ([local, undefined])), profileLocation);
		this._onDidInstallExtensions.fire(extensions.map(local => ({ local, identifier: local.identifier, operation: InstallOperation.None, profileLocation })));
	}