src/vs/workbench/common/memento.ts/ScopedMemento/load
class ScopedMemento:	private load(): MementoObject {
		const memento = this.storageService.get(this.id, this.scope);
		if (memento) {
			try {
				return JSON.parse(memento);
			} catch (error) {
				// Seeing reports from users unable to open editors
				// from memento parsing exceptions. Log the contents
				// to diagnose further
				// https://github.com/microsoft/vscode/issues/102251
				onUnexpectedError(`[memento]: failed to parse contents: ${error} (id: ${this.id}, scope: ${this.scope}, contents: ${memento})`);
			}
		}

		return {};
	}