uired</th></tr></thead><tbody><tr id=Params-provider_url><td><code>providerUrl</code></td><td><code>string</code></td><td><p>Where to find the list to check against. This may be omitted for a completely local list.</p></td><td>No</td></tr><tr id=Params-refresh_interval><td><code>refreshInterval</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>Determines how often the provider is polled for
an updated list</p></