convert this standard java object to a cos object . concode_field_sep COSDictionary catalog concode_field_sep String getVersion concode_elem_sep void setFDF concode_elem_sep void setVersion concode_elem_sep void writeXML concode_elem_sep void setSignature concode_elem_sep PDSignature getSignature concode_elem_sep FDFDictionary getFDF concode_elem_sep COSDictionary getCOSDictionary
COSBase function ( ) { return catalog ; }