public T AsIndexedCollection <TIndex>(string indexColumn, Action <IndexPart> customIndexMapping)
{
CreateIndexMapping(customIndexMapping);
if (!indexMapping.IsSpecified("Type"))
{
indexMapping.SetDefaultValue(x => x.Type, new TypeReference(typeof(TIndex)));
}
if (indexMapping.Columns.IsEmpty())
{
indexMapping.AddDefaultColumn(new ColumnMapping {
Name = indexColumn
});
}
return((T)this);
}