public IList<StumpEntity> StumpFindAll(string serverId)
{
var stumpsPath = Path.Combine(_storagePath, serverId, DataAccess.StumpsPathName);
var stumpEntities = JsonUtility.DeserializeFromDirectory<StumpEntity>(
stumpsPath, "*" + DataAccess.StumpFileExtension, SearchOption.TopDirectoryOnly);
return stumpEntities;
}