*/
public UpdateMaintenanceStartTimeResult updateMaintenanceStartTime(UpdateMaintenanceStartTimeRequest updateMaintenanceStartTimeRequest)
throws AmazonServiceException, AmazonClientException {
/* Create execution context */
ExecutionContext executionContext = createExecutionContext(updateMaintenanceStartTimeRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.RequestMarshallTime.name());
Request<UpdateMaintenanceStartTimeRequest> request = new UpdateMaintenanceStartTimeRequestMarshaller().marshall(updateMaintenanceStartTimeRequest);
awsRequestMetrics.endEvent(Field.RequestMarshallTime.name());
Unmarshaller<UpdateMaintenanceStartTimeResult, JsonUnmarshallerContext> unmarshaller = new UpdateMaintenanceStartTimeResultJsonUnmarshaller();