@Override
    public DescribeMapRunResult describeMapRun(DescribeMapRunRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeMapRun(request);
    }
<p>
Provides information about a Map Run's configuration, progress, and results. If you've <a
href="https://docs.aws.amazon.com/step-functions/latest/dg/redrive-map-run.html">redriven</a> a Map Run, this API
action also returns information about the redrives of that Map Run. For more information, see <a
href="https://docs.aws.amazon.com/step-functions/latest/dg/concepts-examine-map-run.html">Examining Map Run</a>
in the <i>Step Functions Developer Guide</i>.
</p>

@param describeMapRunRequest
@return Result of the DescribeMapRun operation returned by the service.
@throws ResourceNotFoundException
        Could not find the referenced resource.
@throws InvalidArnException
        The provided Amazon Resource Name (ARN) is not valid.
@sample AWSStepFunctions.DescribeMapRun
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/states-2016-11-23/DescribeMapRun" target="_top">AWS API
     Documentation</a>
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/AWSStepFunctionsClient.java