@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + PARENT_FIELD_NUMBER;
    hash = (53 * hash) + getParent().hashCode();
    hash = (37 * hash) + PAGE_SIZE_FIELD_NUMBER;
    hash = (53 * hash) + getPageSize();
    hash = (37 * hash) + PAGE_TOKEN_FIELD_NUMBER;
    hash = (53 * hash) + getPageToken().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Optional. The `next_page_token` value returned from a previous
[ListBackupCollections] request, if any.
</pre>

<code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for pageToken.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/ListBackupCollectionsRequest.java