private final static String P_MODIFIED = "modified";
private final static String P_NBOBJECT = "nbObject";
private final static String P_NBTAB = "nbTab";
private final static String P_OBJECT_COUNT = "Object-Count";
private final static String P_PAGE_COUNT = "Page-Count";
<BUG>private final static String P_PARAGRAPH_COUNT = "Paragraph-Count";
private final static String P_PHYS = "pHYs";</BUG>
private final static String P_PRODUCER = "producer";
private final static String P_PUBLISHER = "publisher";
private final static String P_RESOLUTION_UNIT = "Resolution Unit";

private final static String P_MODIFIED = "modified";
private final static String P_NBOBJECT = "nbObject";
private final static String P_NBTAB = "nbTab";
private final static String P_OBJECT_COUNT = "Object-Count";
private final static String P_PAGE_COUNT = "Page-Count";
private final static String P_PARAGRAPH_COUNT = "Paragraph-Count";
private final static String P_PDF_VERSION = "pdf:PDFVersion";
private final static String P_PDFA_VERSION = "pdfa:PDFVersion";
private final static String P_PDFX_VERSION = "GTS_PDFXVersion";
private final static String P_PHYS = "pHYs";
private final static String P_PRODUCER = "producer";
private final static String P_PUBLISHER = "publisher";
private final static String P_RESOLUTION_UNIT = "Resolution Unit";
