public Builder setOrderBy(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      orderBy_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
<pre>
Specifies the ordering of results following syntax at
https://cloud.google.com/apis/design/design_patterns#sorting_order.
</pre>

<code>string order_by = 5;</code>

@param value The orderBy to set.
@return This builder for chaining.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/ListEventsRequest.java