src/vs/workbench/contrib/notebook/browser/contrib/find/findModel.ts/CellFindMatchModel/getMatch
class CellFindMatchModel:	getMatch(index: number) {
		if (index >= this.length) {
			throw new Error('NotebookCellFindMatch: index out of range');
		}

		if (index < this._contentMatches.length) {
			return this._contentMatches[index];
		}

		return this._webviewMatches[index - this._contentMatches.length];
	}