docs: @Nonnull
    public static JSOpTernary cond (@Nonnull final IJSExpression aCond,
                                    @Nonnull final IJSExpression aIfTrue,
                                    @Nonnull final IJSExpression aIfFalse)
    {
      return new JSOpTernary (aCond, "?", aIfTrue, ":", aIfFalse);
    }