src/vs/platform/userDataSync/common/snippetsSync.ts/SnippetsSynchroniser/resolveContent
class SnippetsSynchroniser:	override async resolveContent(uri: URI): Promise<string | null> {
		if (this.extUri.isEqualOrParent(uri, this.syncPreviewFolder.with({ scheme: USER_DATA_SYNC_SCHEME, authority: 'remote' }))
			|| this.extUri.isEqualOrParent(uri, this.syncPreviewFolder.with({ scheme: USER_DATA_SYNC_SCHEME, authority: 'local' }))
			|| this.extUri.isEqualOrParent(uri, this.syncPreviewFolder.with({ scheme: USER_DATA_SYNC_SCHEME, authority: 'base' }))
			|| this.extUri.isEqualOrParent(uri, this.syncPreviewFolder.with({ scheme: USER_DATA_SYNC_SCHEME, authority: 'accepted' }))) {
			return this.resolvePreviewContent(uri);
		}
		return null;
	}