pub trait HostNameResolverProxyInterface: Send + Sync {
type ResolveHostNameResponseFut: Future<Output = Result<Vec<HostAddress>, Error>> + Send;
// Required method
fn resolve_host_name(
&self,
host: &str,
timeout: i64,
options: &HostNameResolutionOptions,
) -> Self::ResolveHostNameResponseFut;
}