@Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + URL_FIELD_NUMBER;
    hash = (53 * hash) + getUrl().hashCode();
    hash = (37 * hash) + USER_ID_FIELD_NUMBER;
    hash = (53 * hash) + getUserId().hashCode();
    hash = (37 * hash) + SESSION_ID_FIELD_NUMBER;
    hash = (53 * hash) + getSessionId().hashCode();
    hash = (37 * hash) + TIMESTAMP_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
        getTimestamp());
    hash = (37 * hash) + DURATION_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
        getDuration());
    hash = (37 * hash) + EVENT_FIELD_NUMBER;
    hash = (53 * hash) + getEvent().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<code>string event = 6;</code>
@return The bytes for event.
examples/client/src/main/java/com/clickhouse/examples/protos/UIEvent.java