@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) + FILTER_FIELD_NUMBER;
    hash = (53 * hash) + getFilter().hashCode();
    hash = (37 * hash) + PAGE_SIZE_FIELD_NUMBER;
    hash = (53 * hash) + getPageSize();
    hash = (37 * hash) + PAGE_TOKEN_FIELD_NUMBER;
    hash = (53 * hash) + getPageToken().hashCode();
    if (hasReadMask()) {
      hash = (37 * hash) + READ_MASK_FIELD_NUMBER;
      hash = (53 * hash) + getReadMask().hashCode();
    }
    hash = (37 * hash) + ORDER_BY_FIELD_NUMBER;
    hash = (53 * hash) + getOrderBy().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
A comma-separated list of fields to order by, sorted in ascending order.
Use "desc" after a field name for descending.
Supported fields:

  * `display_name`
  * `create_time`
  * `update_time`

Example: `display_name, create_time desc`.
</pre>

<code>string order_by = 6;</code>

@return The bytes for orderBy.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequest.java