async fn describe_model_package(
        &self,
        input: DescribeModelPackageInput,
    ) -> Result<DescribeModelPackageOutput, RusotoError<DescribeModelPackageError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "SageMaker.DescribeModelPackage");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, DescribeModelPackageError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<DescribeModelPackageOutput, _>()
    }
<p>Returns a description of the specified model package, which is used to create Amazon SageMaker models or list them on AWS Marketplace.</p> <p>To create models in Amazon SageMaker, buyers can subscribe to model packages listed on AWS Marketplace.</p>
rusoto/services/sagemaker/src/generated.rs