EnumPdfPageType
enum EnumPdfPageType {
PAGE_DEFAULT = "page/default",
PAGE_A4 = "page/a4",
PAGE_A4_REVERSE = "page/a4reverse",
PAGE_A3 = "page/a3",
PAGE_A3_REVERSE = "page/a3reverse",
PAGE_LETTER = "page/letter",
PAGE_LETTER_REVERSE = "page/letterreverse",
PAGE_LEGAL = "page/legal",
PAGE_LEGAL_REVERSE = "page/legalreverse"
}