src/vs/platform/userDataSync/common/userDataSyncResourceProvider.ts/UserDataSyncResourceProviderService/resolveLatestExtensionsContent
class UserDataSyncResourceProviderService:	private async resolveLatestExtensionsContent(profile: IUserDataProfile): Promise<string | null> {
		const { localExtensions } = await this.instantiationService.createInstance(LocalExtensionsProvider).getLocalExtensions(profile);
		return stringifyExtensions(localExtensions, true);
	}