@@ -0,0 +1,681 @@
+package org.verapdf.model.impl.pb.cos;%0A%0Aimport org.apache.pdfbox.cos.COSBase;%0Aimport org.apache.pdfbox.cos.COSDictionary;%0A%0A/**%0A * @author Evgeniy Muravitskiy%0A */%0Apublic class PBCosFileSpecification extends PBCosObject implements CosFileSpecification %7B%0A%0A    public PBCosFileSpecification(COSDictionary pdfBoxObject) %7B%0A        super(pdfBoxObject);%0A        setType(%22CosFileSpecification%22);%0A    %7D%0A%0A    /** string representation of the EF dictionary, or null if EF key is not present in the file specification dictionary%0A     */%0A    public String getEF() %7B%0A        final COSBase ef = ((COSDictionary) baseObject).getItem(%22EF%22);%0A        return ef != null ? ef.toString() : null;%0A    %7D%0A%7D%0A

Add implementation of CosFileSpecification