Examples of org.pdfbox.cos.COSDictionary.removeItem()

        COSDictionary trailer = doc.getTrailer();
        //sort xref, needed only if object keys not regenerated
        Collections.sort(getXRefEntries());
        COSWriterXRefEntry lastEntry = (COSWriterXRefEntry)getXRefEntries().get( getXRefEntries().size()-1);
        trailer.setInt(COSName.getPDFName("Size"), (int)lastEntry.getKey().getNumber()+1);
        trailer.removeItem( COSName.PREV );
        /**
        COSObject catalog = doc.getCatalog();
        if (catalog != null)
        {
            trailer.setItem(COSName.getPDFName("Root"), catalog);

        getStandardOutput().write(TRAILER);
        getStandardOutput().writeEOL();


        COSDictionary trailer = doc.getTrailer();
        trailer.setItem(COSName.getPDFName("Size"), new COSInteger( getXRefEntries().size()+1));
        trailer.removeItem( COSName.PREV );
        /**
        COSObject catalog = doc.getCatalog();
        if (catalog != null)
        {
            trailer.setItem(COSName.getPDFName("Root"), catalog);

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