@java.lang.Override
  public com.google.cloud.memorystore.v1.PersistenceConfig getPersistenceConfig() {
    return persistenceConfig_ == null
        ? com.google.cloud.memorystore.v1.PersistenceConfig.getDefaultInstance()
        : persistenceConfig_;
  }
<pre>
Optional. Persistence configuration of the instance.
</pre>

<code>
.google.cloud.memorystore.v1.PersistenceConfig persistence_config = 14 [(.google.api.field_behavior) = OPTIONAL];
</code>

@return The persistenceConfig.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/Instance.java