Type Alias VTTPositionAlignSetting

VTTPositionAlignSetting:
    | "line-left"
    | "center"
    | "line-right"
    | "auto"

A WebVTT-defined position alignment, represented by a value from the following list:
- 'line-left': The cue box's start is aligned at a specified position.
- 'center': The cue box's center is aligned at a specified position.
- 'line-right': The cue box's end is aligned at a specified position.
- 'auto': The cue box's alignment is dependent on its text alignment setting.