async fn notify_application_state(
        &self,
        input: NotifyApplicationStateRequest,
    ) -> Result<NotifyApplicationStateResult, RusotoError<NotifyApplicationStateError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "AWSMigrationHub.NotifyApplicationState");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, NotifyApplicationStateError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response)
            .deserialize::<NotifyApplicationStateResult, _>()
    }
<p>Sets the migration state of an application. For a given application identified by the value passed to <code>ApplicationId</code>, its status is set or updated by passing one of three values to <code>Status</code>: <code>NOT_STARTED | IN_PROGRESS | COMPLETED</code>.</p>
rusoto/services/mgh/src/generated.rs