async fn update_application(
        &self,
        input: UpdateApplicationRequest,
    ) -> Result<UpdateApplicationResponse, RusotoError<UpdateApplicationError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header(
            "x-amz-target",
            "KinesisAnalytics_20150814.UpdateApplication",
        );
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, UpdateApplicationError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<UpdateApplicationResponse, _>()
    }
<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>Updates an existing Amazon Kinesis Analytics application. Using this API, you can update application code, input configuration, and output configuration. </p> <p>Note that Amazon Kinesis Analytics updates the <code>CurrentApplicationVersionId</code> each time you update your application. </p> <p>This operation requires permission for the <code>kinesisanalytics:UpdateApplication</code> action.</p></p>
rusoto/services/kinesisanalytics/src/generated.rs