src/vs/platform/userDataSync/common/userDataSyncService.ts/UserDataSyncService/resolveContent
class UserDataSyncService:	async resolveContent(resource: URI): Promise<string | null> {
		const content = await this.userDataSyncResourceProviderService.resolveContent(resource);
		if (content) {
			return content;
		}
		for (const profileSynchronizer of this.getActiveProfileSynchronizers()) {
			for (const synchronizer of profileSynchronizer.enabled) {
				const content = await synchronizer.resolveContent(resource);
				if (content) {
					return content;
				}
			}
		}
		return null;
	}