@Override
    public StartJobRunResult startJobRun(StartJobRunRequest request) {
        request = beforeClientExecution(request);
        return executeStartJobRun(request);
    }
<p>
Starts a job run.
</p>

@param startJobRunRequest
@return Result of the StartJobRun operation returned by the service.
@throws ValidationException
        The input fails to satisfy the constraints specified by an Amazon Web Services service.
@throws ResourceNotFoundException
        The specified resource was not found.
@throws InternalServerException
        Request processing failed because of an error or failure with the service.
@throws ConflictException
        The request could not be processed because of conflict in the current state of the resource.
@sample AWSEMRServerless.StartJobRun
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/emr-serverless-2021-07-13/StartJobRun" target="_top">AWS API
     Documentation</a>
aws-java-sdk-emrserverless/src/main/java/com/amazonaws/services/emrserverless/AWSEMRServerlessClient.java