ParagraphConstraints] object passed to
&#47;&#47;&#47;   the [Paragraph.layout] method. The empty string and the null value are
&#47;&#47;&#47;   considered equivalent and turn off this behavior.
&#47;&#47;&#47;
&#47;&#47;&#47; * `locale`: The locale used to select region-specific glyphs.
ParagraphStyle({
  TextAlign textAlign,
  TextDirection textDirection,
  int maxLines,
  String fontFamily,
  double fontSize,
  double height,
  FontWeight fontWeight,
  FontStyle fontStyle,
  StrutStyle strutStyle,
  Str