public override string ToString()
{
var builder = new StringBuilder(GetType().Name + "[");
builder.Append("min=").Append(Min);
builder.Append(",");
builder.Append("distance=").Append(Distance);
builder.Append(",");
builder.Append("transfer=").Append(Transfer);
builder.Append(",");
builder.Append("departure=").Append(Departure.ToDebugString());
builder.Append(",");
builder.Append("arrival=").Append(Arrival.ToDebugString());
builder.Append("]");
return(builder.ToString());
}