How to use the @aws-cdk/aws-stepfunctions.WaitTime function in @aws-cdk/aws-stepfunctions

function buildInspectionMachine(
  scope: cdk.Construct,
  dispatchInspection: lambda.Function,
  errorHandler: lambda.Function,
  delay?: cdk.Duration,
  sfnRole?: iam.IRole
): sfn.StateMachine {
  const waitTime = delay || cdk.Duration.minutes(5);

  const wait = new sfn.Wait(scope, "WaitDispatch", {
    time: sfn.WaitTime.duration(waitTime),
  });
  const invokeDispatcher = new tasks.LambdaInvoke(
    scope,
    "InvokeDispatchInspection",
    { lambdaFunction: dispatchInspection }
  );
  const invokeErrorHandler = new tasks.LambdaInvoke(
    scope,
    "InvokeErrorHandler",
    { lambdaFunction: errorHandler }
  );

  const definition = wait
    .next(invokeDispatcher)
    .next(
      new sfn.Choice(scope, "Job Complete?").when(

errorHandler: lambda.Function,
  delay?: cdk.Duration,
  sfnRole?: iam.IRole
): sfn.StateMachine {
  const waitTime = delay || cdk.Duration.minutes(10);

  const invokeErrorHandler = new tasks.LambdaInvoke(
    scope,
    "InvokeErrorHandler",
    { lambdaFunction: errorHandler }
  );
  const condFailed = sfn.Condition.stringEquals("$.status", "FAILED");
  const condSucceeded = sfn.Condition.stringEquals("$.status", "SUCCEEDED");

  const wait = new sfn.Wait(scope, "WaitCompile", {
    time: sfn.WaitTime.duration(waitTime),
  });

  const definition = wait
    .next(
      new sfn.Choice(scope, "Job Complete?")
        .when(condFailed, invokeErrorHandler)
        .when(
          condSucceeded,
          new tasks.LambdaInvoke(scope, "invokeCompileReport", {
            lambdaFunction: compileReport,
          })
        )
    )
    .next(
      new sfn.Choice(scope, "Job Complete?")
        .when(condFailed, invokeErrorHandler)