* @param <V0> An upper bound on the value type of the generated multimap.
 * @since 16.0
 */
@GwtCompatible
public abstract class MultimapBuilder<K0 extends @Nullable Object, V0 extends @Nullable Object> {
  /*
   * Leaving K and V as upper bounds rather than the actual key and value types allows type
   * parameters to be left implicit more often. CacheBuilder uses the same technique.
   */

  private MultimapBuilder() {}

 * @param <V0> An upper bound on the value type of the generated multimap.
 * @since 16.0
 */
@GwtCompatible
public abstract class MultimapBuilder<K0 extends @Nullable Object, V0 extends @Nullable Object> {
  /*
   * Leaving K and V as upper bounds rather than the actual key and value types allows type
   * parameters to be left implicit more often. CacheBuilder uses the same technique.
   */

  private MultimapBuilder() {}

		}
		// file / version / file
		filemap := make(map[string]map[string]string)
		foundData := make(map[string][]byte)
		partDataToVerID := make(map[string][2]string)
		var baseName string
		// versionID ->
		combineFiles := make(map[string][]string)
		decode := func(r io.Reader, file string) ([]byte, error) {
			file = strings.ReplaceAll(file, ":", "_")
			b, err := io.ReadAll(r)

 *
 * <h3>Example</h3>
 *
 * <p>The following code:
 *
 * {@snippet :
 * ListMultimap<String, String> multimap = ArrayListMultimap.create();
 * for (President pres : US_PRESIDENTS_IN_ORDER) {
 *   multimap.put(pres.firstName(), pres.lastName());
 * }
 * for (String firstName : multimap.keySet()) {
 *   List<String> lastNames = multimap.get(firstName);
 *   out.println(firstName + ": " + lastNames);
 * }
 * }
 *

   *
   * <p>If the mapped keys contain duplicates (according to {@link Object#equals(Object)}), the
   * values are merged using the specified merging function. If the merging function returns {@code
   * null}, then the collector removes the value that has been computed for the key thus far (though
   * future occurrences of the key would reinsert it).
   *

	Buckets           []string      `json:"buckets" msg:"bus"`           // buckets being rebalanced or to be rebalanced
	RebalancedBuckets []string      `json:"rebalancedBuckets" msg:"rbs"` // buckets rebalanced
	Bucket            string        `json:"bucket" msg:"bu"`             // Last rebalanced bucket
	Object            string        `json:"object" msg:"ob"`             // Last rebalanced object

		Description:          m.Description,
		Value:                m.Value,
		HistogramBucketLabel: m.HistogramBucketLabel,
		StaticLabels:         make(map[string]string, len(m.StaticLabels)),
		VariableLabels:       make(map[string]string, len(m.VariableLabels)),
		Histogram:            make(map[string]uint64, len(m.Histogram)),
	}
	maps.Copy(metric.StaticLabels, m.StaticLabels)
	maps.Copy(metric.VariableLabels, m.VariableLabels)

     *
     * ```java
     *    @SuppressWarnings("unused")
     *    public List<X509Certificate> checkServerTrusted(
     *        X509Certificate[] chain, String authType, String host) throws CertificateException {
     *    }
     * ```
     *
     * This method works like [X509TrustManager.checkServerTrusted] but it receives the hostname of

      }
    }
    return null
  }

  private fun countFrames(
    logs: List<String>,
    message: String,
  ): Int {
    var result = 0
    for (log in logs) {
      if (log == message) {
        result++
      }
    }
    return result
  }

  /**
   * Push a setting that permits up to 2 concurrent streams, then make 3 concurrent requests and

You stand in line while several (let's say 8) cashiers that at the same time are cooks take the orders from the people in front of you.

Everyone before you is waiting for their burgers to be ready before leaving the counter because each of the 8 cashiers goes and prepares the burger right away before getting the next order.

<img src="/img/async/parallel-burgers/parallel-burgers-01.png" class="illustration">