async fn describe_application(
        &self,
        input: DescribeApplicationRequest,
    ) -> Result<DescribeApplicationResponse, RusotoError<DescribeApplicationError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header(
            "x-amz-target",
            "KinesisAnalytics_20150814.DescribeApplication",
        );
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, DescribeApplicationError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<DescribeApplicationResponse, _>()
    }
<p><note> <p>This documentation is for version 1 of the Amazon Kinesis Data Analytics API, which only supports SQL applications. Version 2 of the API supports SQL and Java applications. For more information about version 2, see <a href="/kinesisanalytics/latest/apiv2/Welcome.html">Amazon Kinesis Data Analytics API V2 Documentation</a>.</p> </note> <p>Returns information about a specific Amazon Kinesis Analytics application.</p> <p>If you want to retrieve a list of all applications in your account, use the <a href="https://docs.aws.amazon.com/kinesisanalytics/latest/dev/API_ListApplications.html">ListApplications</a> operation.</p> <p>This operation requires permissions to perform the <code>kinesisanalytics:DescribeApplication</code> action. You can use <code>DescribeApplication</code> to get the current application versionId, which you need to call other operations such as <code>Update</code>. </p></p>
rusoto/services/kinesisanalytics/src/generated.rs