src/vs/workbench/contrib/comments/browser/commentGlyphWidget.ts/CommentGlyphWidget/createDecorationOptions
class CommentGlyphWidget:	private createDecorationOptions(): ModelDecorationOptions {
		const decorationOptions: IModelDecorationOptions = {
			description: CommentGlyphWidget.description,
			isWholeLine: true,
			overviewRuler: {
				color: themeColorFromId(overviewRulerCommentingRangeForeground),
				position: OverviewRulerLane.Center
			},
			collapseOnReplaceEdit: true,
			linesDecorationsClassName: `comment-range-glyph comment-thread`
		};

		return ModelDecorationOptions.createDynamic(decorationOptions);
	}