@Override
    public void preprocessVariables(@NotNull ChainVariable inVar, @NotNull ChainVariable outVar, @NotNull OptionalToIfContext context) {
      myIfPresentFn.preprocessVariable(context, outVar, 0);
      outVar.addBestNameCandidate("result");
    }
@Override
    public void preprocessVariables(@NotNull ChainVariable inVar, @NotNull ChainVariable outVar, @NotNull OptionalToIfContext context)