src/vs/workbench/contrib/notebook/browser/services/notebookKernelHistoryServiceImpl.ts/NotebookKernelHistoryService/_loadState
class NotebookKernelHistoryService:	private _loadState(): void {
		const serialized = this._storageService.get(NotebookKernelHistoryService.STORAGE_KEY, StorageScope.WORKSPACE);
		if (serialized) {
			try {
				this._deserialize(JSON.parse(serialized));
			} catch (e) {
				this._mostRecentKernelsMap = {};
			}
		} else {
			this._mostRecentKernelsMap = {};
		}
	}