src/vs/workbench/contrib/comments/browser/commentsEditorContribution.ts/CommentController/getWithCommentsEditorOptions
class CommentController:	private getWithCommentsEditorOptions(editor: ICodeEditor, extraEditorClassName: string[], startingLineDecorationsWidth: number) {
		let lineDecorationsWidth = startingLineDecorationsWidth;
		const options = editor.getOptions();
		if (options.get(EditorOption.folding) && options.get(EditorOption.showFoldingControls) !== 'never') {
			lineDecorationsWidth -= 11;
		}
		lineDecorationsWidth += 24;
		extraEditorClassName.push('inline-comment');
		return { lineDecorationsWidth, extraEditorClassName };
	}