@java.lang.Override
  public java.lang.String getOrderBy() {
    java.lang.Object ref = orderBy_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      orderBy_ = s;
      return s;
    }
  }
<pre>
Hint for how to order the results
</pre>

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

@return The orderBy.
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/ListDatasetConfigsRequest.java