public Builder clearOrderBy() {
      orderBy_ = getDefaultInstance().getOrderBy();
      bitField0_ = (bitField0_ & ~0x00000020);
      onChanged();
      return this;
    }
<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 This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequest.java