async fn list_image_versions(
        &self,
        input: ListImageVersionsRequest,
    ) -> Result<ListImageVersionsResponse, RusotoError<ListImageVersionsError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "SageMaker.ListImageVersions");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, ListImageVersionsError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<ListImageVersionsResponse, _>()
    }
<p>Lists the versions of a specified image and their properties. The list can be filtered by creation time or modified time.</p>
rusoto/services/sagemaker/src/generated.rs