@JsonGetter("product_timestamps")
    public ProductTimestamps getProductTimestamps ( ) { 
        return this.productTimestamps;
    }
@JsonGetter("product_timestamps")
    public ProductTimestamps getProductTimestamps ( ) { 
        return this.productTimestamps;
    }
@jsongetter("product_timestamps") public producttimestamps getproducttimestamps ( ) { return this.producttimestamps; }