type TextDecorationLine = "None" | "Underline" | "Strikethrough" | "Overline";Represents a line type for text decoration.
Text decoration lines are combinable — a range of text can have multiple decoration lines.
- ‘None’: No decoration.
- ‘Underline’: The text is underlined.
- ‘Strikethrough’: The text has a line through it.
- ‘Overline’: The text has a line above it.