/** GETTER
     * TODO: Write general description for this method
     */
@JsonGetter("quantity")
    public int getQuantity ( ) { 
        return this.quantity;
    }
@JsonGetter("quantity")
public int getQuantity ( ) {
return this.quantity;
}
@JsonGetter("quantity")
public int getQuantity ( ) {
return this.quantity;
}
@JsonGetter("quantity")
public int getQuantity ( ) {
return this.quantity;
}