/// <summary>
/// Sets the bill that was traded.
/// <para>
/// The product captures the contracted financial details of the trade.
/// </para>
/// </summary>
/// <param name="product"> the new value, not null </param>
/// <returns> this, for chaining, not null </returns>
public Builder product(Bill product)
{
JodaBeanUtils.notNull(product, "product");
this.product_Renamed = product;
return(this);
}
