async fn describe_security_policy(
        &self,
        input: DescribeSecurityPolicyRequest,
    ) -> Result<DescribeSecurityPolicyResponse, RusotoError<DescribeSecurityPolicyError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "TransferService.DescribeSecurityPolicy");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, DescribeSecurityPolicyError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response)
            .deserialize::<DescribeSecurityPolicyResponse, _>()
    }
<p>Describes the security policy that is attached to your file transfer protocol-enabled server. The response contains a description of the security policy's properties. For more information about security policies, see <a href="https://docs.aws.amazon.com/transfer/latest/userguide/security-policies.html">Working with security policies</a>.</p>
rusoto/services/transfer/src/generated.rs