src/vs/workbench/contrib/notebook/browser/viewModel/codeCellViewModel.ts/CodeCellViewModel/commentHeight
class CodeCellViewModel:	set commentHeight(height: number) {
		if (this._commentHeight === height) {
			return;
		}
		this._commentHeight = height;
		this.layoutChange({ commentHeight: true }, 'CodeCellViewModel#commentHeight');
	}