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