async fn import_firewall_domains(
        &self,
        input: ImportFirewallDomainsRequest,
    ) -> Result<ImportFirewallDomainsResponse, RusotoError<ImportFirewallDomainsError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "Route53Resolver.ImportFirewallDomains");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, ImportFirewallDomainsError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response)
            .deserialize::<ImportFirewallDomainsResponse, _>()
    }
<p><p>Imports domain names from a file into a domain list, for use in a DNS firewall rule group. </p> <p>Each domain specification in your domain list must satisfy the following requirements: </p> <ul> <li> <p>It can optionally start with <code>*</code> (asterisk).</p> </li> <li> <p>With the exception of the optional starting asterisk, it must only contain the following characters: <code>A-Z</code>, <code>a-z</code>, <code>0-9</code>, <code>-</code> (hyphen).</p> </li> <li> <p>It must be from 1-255 characters in length. </p> </li> </ul></p>
rusoto/services/route53resolver/src/generated.rs