next = new Entry<String, String>() {
                                    @Override
                                    public String getKey() {
                                        return (String) e.getKey();
                                    }

                                    @Override
                                    public String getValue() {

      rowBuilder.put(row.getKey(), ImmutableMap.copyOf(row.getValue()));
    }
    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()));
    }

      if (entry instanceof ImmutableEntry) {
        checkNotNull(entry.getKey());
        checkNotNull(entry.getValue());
        @SuppressWarnings("unchecked") // all supported methods are covariant
        Entry<K, V> immutableEntry = (Entry<K, V>) entry;
        entries.add(immutableEntry);
      } else {
        entries.add(entryOf((K) entry.getKey(), (V) entry.getValue()));
      }
      return this;
    }

                    final Boolean b = (Boolean) xObj.value();
                    buf.append(getResultDataBody(entry.getKey(), b.toString()));
                    break;
                case NUMBER:
                    final Number d = (Number) xObj.value();
                    buf.append(getResultDataBody(entry.getKey(), d.toString()));
                    break;
                case STRING:

        Map.Entry<?, ?> entry = tryConvertingToEntry(o);
        if (entry == null) {
            return null;
        }
        // Return a copy to make sure that the results of getKey() and getValue() do not change.
        Object key = entry.getKey();
        Object value = entry.getValue();
        if (key instanceof String && value instanceof String) {
            return Maps.immutableEntry((String) key, (String) value);
        }

        && entry.getValue().getKey().isConnected(range)
        && entry.getValue().getValue().equals(value)) {
      return range.span(entry.getValue().getKey());
    }
    return range;
  }

  @Override
  public void putAll(RangeMap<K, ? extends V> rangeMap) {
    for (Entry<Range<K>, ? extends V> entry : rangeMap.asMapOfRanges().entrySet()) {
      put(entry.getKey(), entry.getValue());
    }
  }

            builder.add(new MapEntrySnapshot<ValueSnapshot>(entry.getKey().asSnapshot(), entry.getValue().asSnapshot()));
        }
        return new MapValueSnapshot(builder.build());
    }

    @Override
    public T isolate() {
        T map = create();
        for (MapEntrySnapshot<Isolatable<?>> entry : getEntries()) {
            map.put(entry.getKey().isolate(), entry.getValue().isolate());
        }
        return map;

                snapshots.put(snapshotMetadata.getKey(), snapshotMetadata);
            }
        }
    }

    @Override
    public Collection<? extends Metadata> prepare(Collection<? extends Artifact> artifacts) {
        for (Artifact artifact : artifacts) {
            if (artifact.isSnapshot()) {
                Object key = RemoteSnapshotMetadata.getKey(artifact);

                snapshots.put(snapshotMetadata.getKey(), snapshotMetadata);
            }
        }
    }

    @Override
    public Collection<? extends Metadata> prepare(Collection<? extends Artifact> artifacts) {
        for (Artifact artifact : artifacts) {
            if (artifact.isSnapshot()) {
                Object key = RemoteSnapshotMetadata.getKey(artifact);

            if (o instanceof Entry && MapPropertyMapView.this.containsKey(((Entry<?, ?>) o).getKey())) {
                Entry<?, ?> entry = (Entry<?, ?>) o;
                V value = MapPropertyMapView.this.get(entry.getKey());
                if (Objects.equals(value, entry.getValue())) {
                    MapPropertyMapView.this.remove(entry.getKey());
                    return true;
                }
            }