@JsonSetter("product_timestamps")
    public void setProductTimestamps (ProductTimestamps value) { 
        this.productTimestamps = value;
    }
@JsonSetter("product_timestamps")
    public void setProductTimestamps (ProductTimestamps value) { 
        this.productTimestamps = value;
    }
@jsonsetter("product_timestamps") public void setproducttimestamps (producttimestamps value) { this.producttimestamps = value; }