src/vs/platform/userDataSync/common/userDataProfilesManifestSync.ts/UserDataProfilesManifestSynchroniser/resolveContent
class UserDataProfilesManifestSynchroniser:	async resolveContent(uri: URI): Promise<string | null> {
		if (this.extUri.isEqual(this.remoteResource, uri)
			|| this.extUri.isEqual(this.baseResource, uri)
			|| this.extUri.isEqual(this.localResource, uri)
			|| this.extUri.isEqual(this.acceptedResource, uri)
		) {
			const content = await this.resolvePreviewContent(uri);
			return content ? toFormattedString(JSON.parse(content), {}) : content;
		}
		return null;
	}