Method update

src/util.ts:423–425

(key: string, value: any)

    }
    // eslint-disable-next-line @typescript-eslint/require-await, @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-explicit-any
    public async update(key: string, value: any): Promise<void> {
        this.items.set(key, value);
    }

    public keys(): readonly string[] {
        return Object.keys(this.items);