@Override
    public void preprocessVariables(@NotNull ChainVariable inVar, @NotNull ChainVariable outVar, @NotNull OptionalToIfContext context) {
      String name = myFn.getParameterName(0);
      if (name != null && !context.isUsedLambdaVarName(name)) {
        inVar.addBestNameCandidate(name);
        context.addLambdaVarName(name);
      }
    }
@Override
    public void preprocessVariables(@NotNull ChainVariable inVar, @NotNull ChainVariable outVar, @NotNull OptionalToIfContext context)