private void ensurePscAutoConnectionsIsMutable() {
      if (!((bitField0_ & 0x00080000) != 0)) {
        pscAutoConnections_ =
            new java.util.ArrayList<com.google.cloud.memorystore.v1beta.PscAutoConnection>(
                pscAutoConnections_);
        bitField0_ |= 0x00080000;
      }
    }
<pre>
Optional. If set to true deletion of the instance will fail.
</pre>

<code>
optional bool deletion_protection_enabled = 19 [(.google.api.field_behavior) = OPTIONAL];
</code>

@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java