page/page.go
func (p PrintToPDFParams) WithPageRanges(pageRanges string) *PrintToPDFParams {
	p.PageRanges = pageRanges
	return &p
}
func (p PrintToPDFParams) WithPageRanges(pageRanges string) *PrintToPDFParams {
	p.PageRanges = pageRanges
	return &p
}
// WithPageRanges paper ranges to print, e.g., '1-5, 8, 11-13'. Defaults to
// the empty string, which means print all pages.