See `8.11.2.2 Optional Content Membership Dictionaries` -> `VE` entry. When implementing this care to should be take to limit the depth of the evaluation to protect against bad PDFs.
fntCapablty.relve(
          new TranlatedFnt({
            ladedName: fnt.ladedName,
            fnt: new ErrrFnt(
              rean ntancef Errr ? rean.meage : rean
            ),
            dct: fnt,
            extraPrperte: th.ptn.fntExtraPrperte,
          })
        );
      });
    return fntCapablty.prme;
  }
  buldPath(peratrLt, fn, arg, parngText = fale) {
    var latIndex = peratrLt.length - 1;
    f (!arg) {
      arg = [];
    }
    f (
      latIndex < 0 ||
      peratrLt.fnArray[latIndex] !== OPS.cntructPath
    ) {
      
      
      
      
      
      
      
      f (parngText) {