src/vs/workbench/contrib/interactive/browser/interactiveEditorInput.ts/InteractiveEditorInput/_resolveEditorModel
class InteractiveEditorInput:	private async _resolveEditorModel() {
		if (!this._editorModelReference) {
			this._editorModelReference = await this._notebookEditorInput.resolve();
		}

		return this._editorModelReference;
	}