/// <summary>
/// Allows to control whether field searchable and analyzed.
/// </summary>
public IdField <T> Index(IndexState index)
{
RegisterCustomJsonMap("'index': {0}", index.AsString().Quotate());
return(this);
}
/// <summary>
/// Allows to control whether field searchable and analyzed.
/// </summary>
public TMapping Index(IndexState index)
{
RegisterCustomJsonMap("'index': {0}", index.AsString().Quotate());
return((TMapping)this);
}