private string MergeOperationDefaultGet()
{
string mergeOperationDefaultValue;
if (!_settingProvider.TryReadValue(mergeOperationDefaultKey, out mergeOperationDefaultValue))
{
mergeOperationDefaultValue = mergeOperationDefaultLast;
_settingProvider.WriteValue(mergeOperationDefaultKey, mergeOperationDefaultValue);
}
if (!_mergeOperationDefaultValues.Contains(mergeOperationDefaultValue))
mergeOperationDefaultValue = "mergeOperationDefaultLast";
return mergeOperationDefaultValue;
}