src/vs/workbench/contrib/tasks/common/tasks.ts/ContributedTask/getRecentlyUsedKey
class ContributedTask:	public override getRecentlyUsedKey(): string | undefined {
		interface IContributedKey {
			type: string;
			scope: number;
			folder?: string;
			id: string;
		}

		const key: IContributedKey = { type: 'contributed', scope: this._source.scope, id: this._id };
		key.folder = this.getFolderId();
		return JSON.stringify(key);
	}