*
     * <p>Prefer the equivalent method {@link #buildOrThrow()} to make it explicit that the method
     * will throw an exception if there are duplicate keys. The {@code build()} method will soon be
     * deprecated.
     *
     * @throws IllegalArgumentException if duplicate keys were added
     */
    public ImmutableMap<K, V> build() {
      return buildOrThrow();
    }

    /**

    }
    this.rowMap = rowBuilder.buildOrThrow();

    ImmutableMap.Builder<C, ImmutableMap<R, V>> columnBuilder =
        new ImmutableMap.Builder<>(columns.size());
    for (Entry<C, Map<R, V>> col : columns.entrySet()) {
      columnBuilder.put(col.getKey(), ImmutableMap.copyOf(col.getValue()));
    }
    this.columnMap = columnBuilder.buildOrThrow();
  }

  @Override

      hashExpectationsBuilder.put(object, hash);
    }

    void replay() {
      checkRecording();
      equivalentExpectations = equivalentExpectationsBuilder.buildOrThrow();
      hashExpectations = hashExpectationsBuilder.buildOrThrow();
    }

    @Override
    protected boolean doEquivalent(Object a, Object b) {
      return equivalentExpectations.get(a, b);
    }

    @Override

      hashExpectationsBuilder.put(object, hash);
    }

    void replay() {
      checkRecording();
      equivalentExpectations = equivalentExpectationsBuilder.buildOrThrow();
      hashExpectations = hashExpectationsBuilder.buildOrThrow();
    }

    @Override
    protected boolean doEquivalent(Object a, Object b) {
      return equivalentExpectations.get(a, b);
    }

    @Override

     * <p>Prefer the equivalent method {@link #buildOrThrow()} to make it explicit that the method
     * will throw an exception if there are duplicate keys or values. The {@code build()} method
     * will soon be deprecated.
     *
     * @throws IllegalArgumentException if duplicate keys or values were added
     */
    @Override
    public ImmutableBiMap<K, V> build() {
      return buildOrThrow();
    }

    /**

        ImmutableMap.Builder<K, V>::new,
        (builder, input) -> builder.put(keyFunction.apply(input), valueFunction.apply(input)),
        ImmutableMap.Builder::combine,
        ImmutableMap.Builder::buildOrThrow);
  }

  static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableMap(
      Function<? super T, ? extends K> keyFunction,
      Function<? super T, ? extends V> valueFunction,

        ImmutableMap.Builder<K, V>::new,
        (builder, input) -> builder.put(keyFunction.apply(input), valueFunction.apply(input)),
        ImmutableMap.Builder::combine,
        ImmutableMap.Builder::buildOrThrow);
  }

  static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableMap(
      Function<? super T, ? extends K> keyFunction,
      Function<? super T, ? extends V> valueFunction,

      if (!list.isEmpty()) {
        builder.put(key, list);
        size += list.size();
      }
    }

    return new ImmutableListMultimap<>(builder.buildOrThrow(), size);
  }

  /** Creates an ImmutableListMultimap from an asMap.entrySet. */
  static <K, V> ImmutableListMultimap<K, V> fromMapBuilderEntries(

      if (!list.isEmpty()) {
        builder.put(key, list);
        size += list.size();
      }
    }

    return new ImmutableListMultimap<>(builder.buildOrThrow(), size);
  }

  /** Creates an ImmutableListMultimap from an asMap.entrySet. */
  static <K, V> ImmutableListMultimap<K, V> fromMapBuilderEntries(

            .put("SEC_WEBSOCKET_VERSION", "Sec-WebSocket-Version")
            .put("X_WEBKIT_CSP", "X-WebKit-CSP")
            .put("X_WEBKIT_CSP_REPORT_ONLY", "X-WebKit-CSP-Report-Only")
            .buildOrThrow();
    ImmutableSet<String> uppercaseAcronyms =
        ImmutableSet.of(
            "CH", "ID", "DNT", "DNS", "DPR", "ECT", "GPC", "HTTP2", "IP", "MD5", "P3P", "RTT", "TE",
            "UA", "UID", "URL", "WWW", "XSS");