```ceylon
{FormattingOption+} formattingOptions = {
    FormattingOption {
    	"The indentation mode of the formatter.";
    	"IndentMode"; "indentMode"; /* = */ "Spaces(4)";
    }
};```

Add a "maxLineLength" formatting option.
user
```ceylon
{FormattingOption+} formattingOptions = {
    FormattingOption {
        "The indentation mode.";
        "IndentMode"; "indentMode"; /* = */ "Spaces(4)";
    },
    FormattingOption {
        "The maximum line length, or `null` for unlimited line length.";
        "Integer?"; "maxLineLength"; /* = */ "null";
    }
};```
assistant