public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }
<pre>
Optional. A user-provided description for the dataset configuration.

Maximum length: 256 characters.
</pre>

<code>string description = 20 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for description.
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/DatasetConfig.java