public Builder setRdbConfig(
        com.google.cloud.memorystore.v1beta.PersistenceConfig.RDBConfig.Builder builderForValue) {
      if (rdbConfigBuilder_ == null) {
        rdbConfig_ = builderForValue.build();
      } else {
        rdbConfigBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
Optional. RDB configuration. This field will be ignored if mode is not RDB.
</pre>

<code>
.google.cloud.memorystore.v1beta.PersistenceConfig.RDBConfig rdb_config = 2 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/PersistenceConfig.java