Examples of org.apache.pdfbox.cos.COSDictionary.keySet()

        if( colorants == null )
        {
            colorants = new COSDictionary();
            dictionary.setItem( COSName.getPDFName( "Colorants" ), colorants );
        }
        for( COSName name : colorants.keySet() )
        {
            COSBase value = colorants.getDictionaryObject( name );
            actuals.put( name.getName(), PDColorSpaceFactory.createColorSpace( value ) );
        }
        return new COSDictionaryMap( actuals, colorants );

        //TODO: Let's try to move this into PDFBox.
        //Attempt to determine Adobe extension level, if present:
        COSDictionary root = document.getDocumentCatalog().getCOSDictionary();
        COSDictionary extensions = (COSDictionary) root.getDictionaryObject(COSName.getPDFName("Extensions") );
        if( extensions != null ) {
            for( COSName extName : extensions.keySet() ) {
                // If it's an Adobe one, interpret it to determine the extension level:
                if( extName.equals( COSName.getPDFName("ADBE") )) {
                    COSDictionary adobeExt = (COSDictionary) extensions.getDictionaryObject(extName);
                    if( adobeExt != null ) {
                        String baseVersion = adobeExt.getNameAsString(COSName.getPDFName("BaseVersion"));

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