public ImmutableMap<C, V> row(R rowKey) {
    checkNotNull(rowKey, "rowKey");
    return MoreObjects.firstNonNull(
        (ImmutableMap<C, V>) rowMap().get(rowKey), ImmutableMap.<C, V>of());
  }

  @Override
  public ImmutableSet<R> rowKeySet() {
    return rowMap().keySet();
  }

  /**
   * {@inheritDoc}
   *

  avatarUrl: https://avatars.githubusercontent.com/u/15116058?u=4b64c643fad49225d854e1aaecd1ffc6f9071a1b&v=4
  url: https://github.com/omarcruzpantoja
- login: bogdan-coman-uv
  count: 3
  avatarUrl: https://avatars.githubusercontent.com/u/92912507?v=4
  url: https://github.com/bogdan-coman-uv
- login: ahmedabdou14
  count: 3
  avatarUrl: https://avatars.githubusercontent.com/u/104530599?u=05365b155a1ff911532e8be316acfad2e0736f98&v=4

Bairen Yi, Bas Aarts, Basit Ayantunde, Ben Barsdell, Bhavani Subramanian, Brett
Koonce, candy.dc, Captain-Pool, caster, cathy, Chong Yan, Choong Yin Thong,
Clayne Robison, Colle, Dan Ganea, David Norman, David Refaeli, dengziming, Diego
Caballero, Divyanshu, djshen, Douman, Duncan Riach, EFanZh, Elena Zhelezina,
Eric Schweitz, Evgenii Zheltonozhskii, Fei Hu, fo40225, Fred Reiss, Frederic

Verás la respuesta de JSON cómo:

```JSON
{"item_id": 5, "q": "somequery"}
```

Ya creaste una API que:

* Recibe HTTP requests en los _paths_ `/` y `/items/{item_id}`.
* Ambos _paths_ toman operaciones `GET` (también conocido como HTTP _methods_).
* El _path_ `/items/{item_id}` tiene un _path parameter_ `item_id` que debería ser un `int`.