@java.lang.Override
      public Builder toBuilder() {
        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
      }
<pre>
Optional. Whether the persistent disk should be deleted when the
workstation is deleted. Valid values are `DELETE` and `RETAIN`.
Defaults to `DELETE`.
</pre>

<code>
.google.cloud.workstations.v1beta.WorkstationConfig.PersistentDirectory.GceRegionalPersistentDisk.ReclaimPolicy reclaim_policy = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>

@return The reclaimPolicy.
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/WorkstationConfig.java