@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (getDatasetsCount() > 0) {
      hash = (37 * hash) + DATASETS_FIELD_NUMBER;
      hash = (53 * hash) + getDatasetsList().hashCode();
    }
    hash = (37 * hash) + NEXT_PAGE_TOKEN_FIELD_NUMBER;
    hash = (53 * hash) + getNextPageToken().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
A token to retrieve next page of results.
Pass this token to the page_token field in the ListDatasetsRequest to
obtain the corresponding page.
</pre>

<code>string next_page_token = 2;</code>

@return The bytes for nextPageToken.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ListDatasetsResponse.java