src/vs/workbench/services/extensionManagement/common/profileAwareExtensionManagementService.ts/NativeProfileAwareExtensionManagementService/onDidInstallExtensions
class NativeProfileAwareExtensionManagementService:	override get onDidInstallExtensions() {
		return Event.filter(
			Event.map(super.onDidInstallExtensions, results => results.filter(e => this.filterEvent(e)), this.disposables),
			results => results.length > 0, this.disposables);
	}