src/vs/workbench/contrib/notebook/browser/view/renderers/cellEditorOptions.ts/CellEditorOptions/setLineNumbers
class CellEditorOptions:	setLineNumbers(lineNumbers: 'on' | 'off' | 'inherit'): void {
		this._lineNumbers = lineNumbers;
		if (this._lineNumbers === 'inherit') {
			const renderLiNumbers = this.configurationService.getValue<'on' | 'off'>('notebook.lineNumbers') === 'on';
			const lineNumbers: LineNumbersType = renderLiNumbers ? 'on' : 'off';
			this._value.lineNumbers = lineNumbers;
		} else {
			this._value.lineNumbers = lineNumbers as LineNumbersType;
		}
		this._onDidChange.fire();
	}