in src/sublimeFolderFinder.ts [34:43]
export async function filterForExistingDirsAsync(paths: string[]): Promise<vscode.Uri | undefined> {
    for (const p of paths) {
        const settingsPath: string = path.resolve(p, settingsSubfoldersPath);
        if (await fileSystem.pathExists(settingsPath)) {
            return vscode.Uri.file(settingsPath);
        }
    }
    return undefined;
}