export default {
  async fetch(request, env, ctx): Promise<Response> {

    await env.KV.put('KEY', 'VALUE');
    const value = await env.KV.get('KEY');
    const allKeys = await env.KV.list();
    await env.KV.delete('KEY');

    return new Response(
      JSON.stringify({
        value: value,
        allKeys: allKeys,
      }),
    );
  },
};